carat | | |
n. (quantity) | 1. carat | a unit of weight for precious stones = 200 mg. |
| ~ metric weight unit, weight unit | a decimal unit of weight based on the gram. |
| ~ decigram, dg | 1/10 gram. |
| ~ g, gm, gram, gramme | a metric unit of weight equal to one thousandth of a kilogram. |
n. (quantity) | 2. carat, karat, kt | the unit of measurement for the proportion of gold in an alloy; 18-karat gold is 75% gold; 24-karat gold is pure gold. |
| ~ unit, unit of measurement | any division of quantity accepted as a standard of measurement or exchange.; "the dollar is the United States unit of currency"; "a unit of wheat is a bushel"; "change per unit volume" |
assay | | |
n. (cognition) | 1. assay, check | an appraisal of the state of affairs.; "they made an assay of the contents"; "a check on its dependability under stress" |
| ~ appraisal, assessment | the classification of someone or something with respect to its worth. |
| ~ double check, countercheck | something that checks the correctness of a previous check. |
| ~ apgar score | an assessment of the physical condition of a newborn infant; involves heart rate and muscle tone and respiratory effort and color and reflex responsiveness. |
| ~ paternity test | a test based on blood groups to determine whether a particular man could be the biological father of a particular child; negative results prove he was not the father but positive results show only that he could be. |
| ~ stress test | a test measuring how a system functions when subjected to controlled amounts of stress. |
n. (substance) | 2. assay | a substance that is undergoing an analysis of its components. |
| ~ substance | a particular kind or species of matter with uniform properties.; "shigella is one of the most toxic substances known to man" |
n. (communication) | 3. assay | a written report of the results of an analysis of the composition of some substance. |
| ~ report, written report, study | a written document describing the findings of some individual or group.; "this accords with the recent study by Hill and Dale" |
n. (act) | 4. assay | a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components; frequently used to test for the presence or concentration of infectious agents or antibodies etc.. |
| ~ trial, run, test | the act of testing something.; "in the experimental trials the amount of carbon was measured separately"; "he called each flip of the coin a new trial" |
| ~ elisa, enzyme-linked-immunosorbent serologic assay | an assay that relies on an enzymatic conversion reaction and is used to detect the presence of specific substances (such as enzymes or viruses or antibodies or bacteria). |
| ~ immunohistochemistry | an assay that shows specific antigens in tissues by the use of markers that are either fluorescent dyes or enzymes (such as horseradish peroxidase). |
| ~ diagnostic assay, diagnostic test | an assay conducted for diagnostic purposes. |
| ~ bio-assay, bioassay | appraisal of the biological activity of a substance by testing its effect on an organism and comparing the result with some agreed standard. |
v. (cognition) | 5. assay | analyze (chemical substances). |
| ~ analyse, analyze, examine, study, canvass, canvas | consider in detail and subject to an analysis in order to discover essential features or meaning.; "analyze a sonnet by Shakespeare"; "analyze the evidence in a criminal trial"; "analyze your real motives" |
| ~ bioassay | subject to a bio-assay. |
v. (social) | 6. assay, attempt, essay, seek, try | make an effort or attempt.; "He tried to shake off his fears"; "The infant had essayed a few wobbly steps"; "The police attempted to stop the thief"; "He sought to improve himself"; "She always seeks to do good in the world" |
| ~ pick up the gauntlet, take a dare | be dared to do something and attempt it. |
| ~ act, move | perform an action, or work out or perform (an action).; "think before you act"; "We must move quickly"; "The governor should act on the new energy bill"; "The nanny acted quickly by grabbing the toddler and covering him with a wet towel" |
| ~ struggle, fight | make a strenuous or labored effort.; "She struggled for years to survive without welfare"; "He fought for breath" |
| ~ have a go, give it a try | make an attempt at something.; "I never sat on a horse before but I'll give it a go" |
| ~ grope | search blindly or uncertainly.; "His mind groped to make the connection" |
| ~ endeavor, endeavour, strive | attempt by employing effort.; "we endeavor to make our customers happy" |
| ~ give it a try, give it a whirl | try.; "let's give it a whirl!" |
| ~ adventure, gamble, run a risk, take a chance, take chances, chance, risk, hazard | take a risk in the hope of a favorable outcome.; "When you buy these stocks you are gambling" |
| ~ lay on the line, put on the line, risk | expose to a chance of loss or damage.; "We risked losing a lot of money in this venture"; "Why risk your life?"; "She laid her job on the line when she told the boss that he was wrong" |
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