| diffusion | | |
| n. (process) | 1. diffusion | (physics) the process in which there is movement of a substance from an area of high concentration of that substance to an area of lower concentration. |
| ~ natural philosophy, physics | the science of matter and energy and their interactions.; "his favorite subject was physics" |
| ~ natural action, natural process, action, activity | a process existing in or produced by nature (rather than by the intent of human beings).; "the action of natural forces"; "volcanic activity" |
| ~ osmosis | (biology, chemistry) diffusion of molecules through a semipermeable membrane from a place of higher concentration to a place of lower concentration until the concentration on both sides is equal. |
| ~ permeation, pervasion, suffusion | the process of permeating or infusing something with a substance. |
| ~ transport | an exchange of molecules (and their kinetic energy and momentum) across the boundary between adjacent layers of a fluid or across cell membranes. |
| n. (event) | 2. diffusion | the spread of social institutions (and myths and skills) from one society to another. |
| ~ spread, spreading | process or result of distributing or extending over a wide expanse of space. |
| ~ mythology | myths collectively; the body of stories associated with a culture or institution or person. |
| n. (attribute) | 3. diffusion, dissemination | the property of being diffused or dispersed. |
| ~ dispersion, distribution | the spatial or geographic property of being scattered about over a range, area, or volume.; "worldwide in distribution"; "the distribution of nerve fibers"; "in complementary distribution" |
| n. (act) | 4. diffusion, dispersal, dispersion, dissemination | the act of dispersing or diffusing something.; "the dispersion of the troops"; "the diffusion of knowledge" |
| ~ spreading, spread | act of extending over a wider scope or expanse of space or time. |
| ~ crop-dusting, spraying | the dispersion of fungicides or insecticides or fertilizer on growing crops (often from a low-flying aircraft). |
| string | | |
| n. (artifact) | 1. string, twine | a lightweight cord. |
| ~ chalk line, snap line, snapline | a chalked string used in the building trades to make a straight line on a vertical surface. |
| ~ cord | a line made of twisted fibers or threads.; "the bundle was tied with a cord" |
| ~ packthread | a strong three-ply twine used to sew or tie packages. |
| n. (artifact) | 2. bowed stringed instrument, string | stringed instruments that are played with a bow.; "the strings played superlatively well" |
| ~ bass fiddle, bull fiddle, contrabass, double bass, string bass, bass viol | largest and lowest member of the violin family. |
| ~ cello, violoncello | a large stringed instrument; seated player holds it upright while playing. |
| ~ fingerboard | a narrow strip of wood on the neck of some stringed instruments (violin or cello or guitar etc) where the strings are held against the wood with the fingers. |
| ~ stringed instrument | a musical instrument in which taut strings provide the source of sound. |
| ~ viol | any of a family of bowed stringed instruments that preceded the violin family. |
| ~ viola | a bowed stringed instrument slightly larger than a violin, tuned a fifth lower. |
| ~ fiddle, violin | bowed stringed instrument that is the highest member of the violin family; this instrument has four strings and a hollow body and an unfretted fingerboard and is played with a bow. |
| n. (artifact) | 3. string | a tightly stretched cord of wire or gut, which makes sound when plucked, struck, or bowed. |
| ~ cord | a line made of twisted fibers or threads.; "the bundle was tied with a cord" |
| ~ snare | strings stretched across the lower head of a snare drum; they make a rattling sound when the drum is hit. |
| ~ stringed instrument | a musical instrument in which taut strings provide the source of sound. |
| ~ music | an artistic form of auditory communication incorporating instrumental or vocal tones in a structured and continuous manner. |
| n. (group) | 4. string, train | a sequentially ordered set of things or events or ideas in which each successive member is related to the preceding.; "a string of islands"; "train of mourners"; "a train of thought" |
| ~ series | similar things placed in order or happening one after another.; "they were investigating a series of bank robberies" |
| n. (communication) | 5. string | a linear sequence of symbols (characters or words or phrases). |
| ~ language unit, linguistic unit | one of the natural units into which linguistic messages can be analyzed. |
| ~ file name extension, filename extension, extension | a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename.; "most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS" |
| ~ linguistic string, string of words, word string | a linear sequence of words as spoken or written. |
| ~ substring | a string that is part of a longer string. |
| ~ sequence | serial arrangement in which things follow in logical order or a recurrent pattern.; "the sequence of names was alphabetical"; "he invented a technique to determine the sequence of base pairs in DNA" |
| n. (artifact) | 6. drawing string, drawstring, string | a tie consisting of a cord that goes through a seam around an opening.; "he pulled the drawstring and closed the bag" |
| ~ drawstring bag | a bag that is closed at the top with a drawstring. |
| ~ purse string | a drawstring used to close the mouth of a purse. |
| ~ tie | a cord (or string or ribbon or wire etc.) with which something is tied.; "he needed a tie for the packages" |
| n. (substance) | 7. string | a tough piece of fiber in vegetables, meat, or other food (especially the tough fibers connecting the two halves of a bean pod). |
| ~ fiber, fibre | a slender and greatly elongated substance capable of being spun into yarn. |
| n. (object) | 8. cosmic string, string | (cosmology) a hypothetical one-dimensional subatomic particle having a concentration of energy and the dynamic properties of a flexible loop. |
| ~ cosmogeny, cosmogony, cosmology | the branch of astrophysics that studies the origin and evolution and structure of the universe. |
| ~ elementary particle, fundamental particle | (physics) a particle that is less complex than an atom; regarded as constituents of all matter. |
| n. (artifact) | 9. string | a collection of objects threaded on a single strand. |
| ~ beads, string of beads | several beads threaded together on a string. |
| ~ aggregation, collection, accumulation, assemblage | several things grouped together or considered as a whole. |
| n. (artifact) | 10. chain, strand, string | a necklace made by a stringing objects together.; "a string of beads"; "a strand of pearls" |
| ~ necklace | jewelry consisting of a cord or chain (often bearing gems) worn about the neck as an ornament (especially by women). |
| v. (contact) | 11. draw, string, thread | thread on or as if on a string.; "string pearls on a string"; "the child drew glass beads on a string"; "thread dried cranberries" |
| ~ guide, pass, run, draw | pass over, across, or through.; "He ran his eyes over her body"; "She ran her fingers along the carved figurine"; "He drew her hair through his fingers" |
| ~ bead | string together like beads. |
| ~ arrange, set up | put into a proper or systematic order.; "arrange the books on the shelves in chronological order" |
| ~ wire | string on a wire.; "wire beads" |
| v. (change) | 12. string, string up | add as if on a string.; "string these ideas together"; "string up these songs and you'll have a musical" |
| ~ add | make an addition (to); join or combine or unite with others; increase the quality, quantity, size or scope of.; "We added two students to that dorm room"; "She added a personal note to her letter"; "Add insult to injury"; "Add some extra plates to the dinner table" |
| v. (motion) | 13. string, string along | move or come along. |
| ~ advance, march on, move on, progress, go on, pass on | move forward, also in the metaphorical sense.; "Time marches on" |
| v. (contact) | 14. string | stretch out or arrange like a string. |
| ~ arrange, set up | put into a proper or systematic order.; "arrange the books on the shelves in chronological order" |
| v. (contact) | 15. string | string together; tie or fasten with a string.; "string the package" |
| ~ fasten, fix, secure | cause to be firmly attached.; "fasten the lock onto the door"; "she fixed her gaze on the man" |
| v. (contact) | 16. string | remove the stringy parts of.; "string beans" |
| ~ remove, take away, withdraw, take | remove something concrete, as by lifting, pushing, or taking off, or remove something abstract.; "remove a threat"; "remove a wrapper"; "Remove the dirty dishes from the table"; "take the gun from your pocket"; "This machine withdraws heat from the environment" |
| v. (contact) | 17. string | provide with strings.; "string my guitar" |
| ~ alter, change, modify | cause to change; make different; cause a transformation.; "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue" |
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