| base | | |
| n. (artifact) | 1. base, base of operations | installation from which a military force initiates operations.; "the attack wiped out our forward bases" |
| ~ air base, air station | a base for military aircraft. |
| ~ army base | a large base of operations for an army. |
| ~ firebase | an artillery base to support advancing troops. |
| ~ military installation | any facility servicing military forces. |
| ~ navy base | base of operations for a naval fleet. |
| ~ rocket base | a military base for rocket missiles. |
| ~ armed forces, armed services, military, military machine, war machine | the military forces of a nation.; "their military is the largest in the region"; "the military machine is the same one we faced in 1991 but now it is weaker" |
| n. (artifact) | 2. base, foot, foundation, fundament, groundwork, substructure, understructure | lowest support of a structure.; "it was built on a base of solid rock"; "he stood at the foot of the tower" |
| ~ bed | a foundation of earth or rock supporting a road or railroad track.; "the track bed had washed away" |
| ~ raft foundation | a foundation (usually on soft ground) consisting of an extended layer of reinforced concrete. |
| ~ structure, construction | a thing constructed; a complex entity constructed of many parts.; "the structure consisted of a series of arches"; "she wore her hair in an amazing construction of whirls and ribbons" |
| ~ support | supporting structure that holds up or provides a foundation.; "the statue stood on a marble support" |
| n. (artifact) | 3. bag, base | a place that the runner must touch before scoring.; "he scrambled to get back to the bag" |
| ~ baseball diamond, infield, diamond | the area of a baseball field that is enclosed by 3 bases and home plate. |
| ~ baseball equipment | equipment used in playing baseball. |
| ~ first base | the base that must be touched first by a base runner in baseball. |
| ~ home base, home plate, plate, home | (baseball) base consisting of a rubber slab where the batter stands; it must be touched by a base runner in order to score.; "he ruled that the runner failed to touch home" |
| ~ second base | the base that must be touched second by a base runner in baseball. |
| ~ third base, third | the base that must be touched third by a base runner in baseball.; "he was cut down on a close play at third" |
| n. (object) | 4. base | the bottom or lowest part.; "the base of the mountain" |
| ~ part, piece | a portion of a natural object.; "they analyzed the river into three parts"; "he needed a piece of granite" |
| n. (location) | 5. base | (anatomy) the part of an organ nearest its point of attachment.; "the base of the skull" |
| ~ anatomy, general anatomy | the branch of morphology that deals with the structure of animals. |
| ~ bottom | the lowest part of anything.; "they started at the bottom of the hill" |
| n. (communication) | 6. base, floor | a lower limit.; "the government established a wage floor" |
| ~ control | the economic policy of controlling or limiting or curbing prices or wages etc..; "they wanted to repeal all the legislation that imposed economic controls" |
| ~ price floor | floor below which prices are not allowed to fall.; "the government used price supports to maintain the price floor" |
| ~ wage floor | floor below which wages are not allowed to fall. |
| n. (cognition) | 7. base, basis, cornerstone, foundation, fundament, groundwork | the fundamental assumptions from which something is begun or developed or calculated or explained.; "the whole argument rested on a basis of conjecture" |
| ~ explanation | thought that makes something comprehensible. |
| ~ meat and potatoes | the fundamental part.; "successful negotiation is the meat and potatoes of arbitration" |
| ~ supposal, assumption, supposition | a hypothesis that is taken for granted.; "any society is built upon certain assumptions" |
| n. (artifact) | 8. base, pedestal, stand | a support or foundation.; "the base of the lamp" |
| ~ brass monkey | a metal stand that formerly held cannon balls on sailing ships. |
| ~ staddle | a base or platform on which hay or corn is stacked. |
| ~ support | any device that bears the weight of another thing.; "there was no place to attach supports for a shelf" |
| ~ trivet | a stand with short feet used under a hot dish on a table. |
| ~ trivet | a three-legged metal stand for supporting a cooking vessel in a hearth. |
| n. (substance) | 9. base, nucleotide | a phosphoric ester of a nucleoside; the basic structural unit of nucleic acids (DNA or RNA). |
| ~ base pair | one of the pairs of chemical bases joined by hydrogen bonds that connect the complementary strands of a DNA molecule or of an RNA molecule that has two strands; the base pairs are adenine with thymine and guanine with cytosine in DNA and adenine with uracil and guanine with cytosine in RNA. |
| ~ adenosine monophosphate, adenylic acid, amp | a nucleotide found in muscle cells and important in metabolism; reversibly convertible to ADP and ATP. |
| ~ adenosine diphosphate, adp | an ester of adenosine that is converted to ATP for energy storage. |
| ~ adenosine triphosphate, atp | a nucleotide derived from adenosine that occurs in muscle tissue; the major source of energy for cellular reactions. |
| ~ deoxyadenosine monophosphate, a | one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose). |
| ~ deoxycytidine monophosphate, c | one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose). |
| ~ deoxyguanosine monophosphate, g | one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose). |
| ~ deoxythymidine monophosphate, t | one of the four nucleotides used in building DNA; all four nucleotides have a common phosphate group and a sugar (ribose). |
| ~ ester | formed by reaction between an acid and an alcohol with elimination of water. |
| ~ muton | the smallest unit of DNA where a mutation can occur. |
| ~ u, uracil | a base containing nitrogen that is found in RNA (but not in DNA) and derived from pyrimidine; pairs with adenine. |
| n. (substance) | 10. alkali, base | any of various water-soluble compounds capable of turning litmus blue and reacting with an acid to form a salt and water.; "bases include oxides and hydroxides of metals and ammonia" |
| ~ pyridine | a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal. |
| ~ purine | a colorless crystalline organic base containing nitrogen; the parent compound of various biologically important substances. |
| ~ purine | any of several bases that are derivatives of purine. |
| ~ chemical compound, compound | (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight. |
| ~ glyoxaline, imidazole, iminazole | an organic base C3H4N2; a histamine inhibitor. |
| ~ cyanuramide, melamine | a white crystalline organic base; used mainly in making melamine resins. |
| ~ pyrimidine | any of several basic compounds derived from pyrimidine. |
| n. (shape) | 11. base | the bottom side of a geometric figure from which the altitude can be constructed.; "the base of the triangle" |
| ~ flank | a subfigure consisting of a side of something. |
| n. (linkdef) | 12. base, basis | the most important or necessary part of something.; "the basis of this drink is orange juice" |
| ~ component part, part, portion, component, constituent | something determined in relation to something that includes it.; "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton" |
| n. (quantity) | 13. base, radix | (numeration system) the positive integer that is equivalent to one in the next higher counting place.; "10 is the radix of the decimal system" |
| ~ number representation system, number system, numeration system, system of numeration | any notation for the representation of numbers. |
| ~ number | a concept of quantity involving zero and units.; "every number has a unique position in the sequence" |
| n. (location) | 14. base, home | the place where you are stationed and from which missions start and end. |
| ~ location | a point or extent in space. |
| n. (group) | 15. al-qa'ida, al-qaeda, al-qaida, base, qaeda | a terrorist network intensely opposed to the United States that dispenses money and logistical support and training to a wide variety of radical Islamic terrorist groups; has cells in more than 50 countries. |
| ~ act of terrorism, terrorism, terrorist act | the calculated use of violence (or the threat of violence) against civilians in order to attain goals that are political or religious or ideological in nature; this is done through intimidation or coercion or instilling fear. |
| ~ foreign terrorist organization, fto, terrorist group, terrorist organization | a political movement that uses terror as a weapon to achieve its goals. |
| ~ afghanistan, islamic state of afghanistan | a mountainous landlocked country in central Asia; bordered by Iran to the west and Russia to the north and Pakistan to the east and south.; "Soviet troops invaded Afghanistan in 1979" |
| ~ islamic republic of pakistan, pakistan, west pakistan | a Muslim republic that occupies the heartland of ancient south Asian civilization in the Indus River valley; formerly part of India; achieved independence from the United Kingdom in 1947. |
| n. (communication) | 16. base, radical, root, root word, stem, theme | (linguistics) the form of a word after all affixes are removed.; "thematic vowels are part of the stem" |
| ~ linguistics | the scientific study of language. |
| ~ descriptor, form, signifier, word form | the phonological or orthographic sound or appearance of a word that can be used to describe or identify something.; "the inflected forms of a word can be represented by a stem and a list of inflections to be attached" |
| n. (artifact) | 17. base, infrastructure | the stock of basic facilities and capital equipment needed for the functioning of a country or area.; "the industrial base of Japan" |
| ~ communication equipment, communication system | facility consisting of the physical plants and equipment for disseminating information. |
| ~ fire station, firehouse | a station housing fire apparatus and firemen. |
| ~ gas system | facility (plant and equipment) for providing natural-gas service. |
| ~ main | a principal pipe in a system that distributes water or gas or electricity or that collects sewage. |
| ~ penal facility, penal institution | an institution where persons are confined for punishment and to protect the public. |
| ~ power grid, power system, grid | a system of high tension cables by which electrical power is distributed throughout a region. |
| ~ public works | structures (such as highways or schools or bridges or docks) constructed at government expense for public use. |
| ~ school system | establishment including the plant and equipment for providing education from kindergarten through high school. |
| ~ sewage system, sewage works, sewer system | facility consisting of a system of sewers for carrying off liquid and solid sewage. |
| ~ transportation, transportation system, transit | a facility consisting of the means and equipment necessary for the movement of passengers or goods. |
| ~ water supply, water system, water | a facility that provides a source of water.; "the town debated the purification of the water supply"; "first you have to cut off the water" |
| ~ fund, store, stock | a supply of something available for future use.; "he brought back a large store of Cuban cigars" |
| n. (artifact) | 18. base | the principal ingredient of a mixture.; "glycerinated gelatin is used as a base for many ointments"; "he told the painter that he wanted a yellow base with just a hint of green"; "everything she cooked seemed to have rice as the base" |
| ~ ingredient | a component of a mixture or compound. |
| n. (artifact) | 19. base | a flat bottom on which something is intended to sit.; "a tub should sit on its own base" |
| ~ box | a (usually rectangular) container; may have a lid.; "he rummaged through a box of spare parts" |
| ~ lamp | a piece of furniture holding one or more electric light bulbs. |
| ~ vessel | an object used as a container (especially for liquids). |
| ~ bottom, underside, undersurface | the lower side of anything. |
| n. (artifact) | 20. base | (electronics) the part of a transistor that separates the emitter from the collector. |
| ~ electrode | a conductor used to make electrical contact with some part of a circuit. |
| ~ electronic transistor, junction transistor, transistor | a semiconductor device capable of amplification. |
| ~ electronics | the branch of physics that deals with the emission and effects of electrons and with the use of electronic devices. |
| v. (cognition) | 21. base, establish, found, ground | use as a basis for; found on.; "base a claim on some observation" |
| ~ build | found or ground.; "build a defense on nothing but the accused person's reputation" |
| v. (stative) | 22. base | situate as a center of operations.; "we will base this project in the new lab" |
| ~ situate, locate | determine or indicate the place, site, or limits of, as if by an instrument or by a survey.; "Our sense of sight enables us to locate objects in space"; "Locate the boundaries of the property" |
| v. (consumption) | 23. base, free-base | use (purified cocaine) by burning it and inhaling the fumes. |
| ~ do drugs, drug | use recreational drugs. |
| adj. | 24. basal, base | serving as or forming a base.; "the painter applied a base coat followed by two finishing coats" |
| ~ basic | pertaining to or constituting a base or basis.; "a basic fact"; "the basic ingredients"; "basic changes in public opinion occur because of changes in priorities" |
| adj. | 25. base, baseborn, humble, lowly | of low birth or station (`base' is archaic in this sense).; "baseborn wretches with dirty faces"; "of humble (or lowly) birth" |
| ~ lowborn | of humble birth or origins.; "a topsy-turvy society of lowborn rich and blue-blooded poor" |
| adj. | 26. base | (used of metals) consisting of or alloyed with inferior metal.; "base coins of aluminum"; "a base metal" |
| ~ inferior | of low or inferior quality. |
| adj. | 27. base, immoral | not adhering to ethical or moral principles.; "base and unpatriotic motives"; "a base, degrading way of life"; "cheating is dishonorable"; "they considered colonialism immoral"; "unethical practices in handling public funds" |
| ~ wrong | contrary to conscience or morality or law.; "it is wrong for the rich to take advantage of the poor"; "cheating is wrong"; "it is wrong to lie" |
| adj. | 28. base, mean, meanspirited | having or showing an ignoble lack of honor or morality.; "that liberal obedience without which your army would be a base rabble"; "taking a mean advantage"; "chok'd with ambition of the meaner sort"; "something essentially vulgar and meanspirited in politics" |
| ~ ignoble | completely lacking nobility in character or quality or purpose.; "something cowardly and ignoble in his attitude"; "I think it a less evil that some criminals should escape than that the government should play an ignoble part" |
| adj. | 29. base, baseborn | illegitimate. |
| ~ archaicism, archaism | the use of an archaic expression. |
| ~ illegitimate | of marriages and offspring; not recognized as lawful. |
| adj. | 30. base | debased; not genuine.; "an attempt to eliminate the base coinage" |
| ~ counterfeit, imitative | not genuine; imitating something superior.; "counterfeit emotion"; "counterfeit money"; "counterfeit works of art"; "a counterfeit prince" |
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