Definitions
American Heritage® Dictionary of the English Language, Fourth Edition
- n. A substance used in a chemical reaction to detect, measure, examine, or produce other substances.
Century Dictionary and Cyclopedia
- n. One who or that which exerts reflex action or influence; an agency that produces reciprocal effects; a cause or source of counter-results.
- n. In chem., a substance used to effect chemical change in another substance for the purpose of identifying its component parts or of ascertaining its percentage composition. Thus, the infusion of galls is a reagent which indicates iron in solution by a dark-purple precipitate. Barium chlorid is a reagent which separates sulphuric acid from a solution in the insoluble form of barium sulphate which can be weighed, and from the weight of which the actual amount of sulphuric acid can readily be deduced.
- n. Anything used for the treatment of a substance under investigation to render its nature or condition more evident. Ordinarily the object is to see what changes are thus produced, but the word is used more loosely, as in
hardening reagents . - n. In experimental psychology: The observer in any form of psychological experiment: opposed to experimenter.
- n. Same as reactor.
Wiktionary
- n. chemistry A usually available or readily made compound or known mixture of compounds used to treat materials, samples, other compounds or reactants in a laboratory or sometimes an industrial setting.
GNU Webster's 1913
- n. (Chem.) A substance capable of producing with another a reaction, especially when employed to detect the presence of other bodies; a test.
WordNet 3.0
- n. a chemical agent for use in chemical reactions
Examples
“The most remarkable feature of Tebbe's reagent is a methylene group bridging between titanium and aluminum, which could replace the oxygen in a carbonyl group in a Wittig-like reaction.”
“The reagent is first reacted with borane (BH3) which can then reduce a carbonyl group to an alcohol.”
“In the reaction shown below only one of the mirror image forms of a Corey-reagent is used.”
“Benedict’s reagent is a solution of copper sulfate, sodium hydroxide, and tartaric acid.”
“The utility of the reagent was always limited by its instability under normal laboratory conditions.”
“Thanks to the workers of the Civil Defense Laboratory, in cooperation with other institutions, we now have a Cuban reagent, which is very good and very efficient for the analysis of AIDS, but large amounts of it are expended by the old equipment.”
“A nanoscale gold "reagent" - which detects a substance via a chemical reaction - is injected, followed by a silver one that interacts with the gold to produce an ultra-thin film.”
Telegraph.co.uk - Telegraph online, Daily Telegraph and Sunday Telegraph
“The system consists of a compact, 5.1 kilogram 11.2 pounds, portable analyzer and a series of single-use plastic discs, called reagent discs that contain all the chemicals required to perform a panel of up to 13 tests on veterinary patients and 14 tests on human patients.”
“The system consists of a compact, 5.1 kilogram (11.2 pounds), portable analyzer and a series of single-use plastic discs, called reagent discs that contain all the chemicals required to perform a panel of up to 13 tests on veterinary patients and 14 tests on human patients.”
“The system consists of a compact, 5.1 kilogram (11.2 pounds), portable analyzer and a series of single-use plastic discs, called reagent discs that contain all the chemicals required to perform a panel of up to 13 tests on veterinary patients and 14”
Lists
These user-created lists contain the word ‘reagent’.
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Visuals
A list of words which yield surprising, beautiful, amusing, or otherwise noteworthy images here on Wordnik.
photochrom, fufluns, thank you, cool l..., postcard, picture postcard, cricket, physiological ill..., Gakuryū Ishii, ametropia, One Froggy Evening, rhodopsin, Santiago Calatrava and 636 more...
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SCIE - EU nomenclature
All the scientific words found in the official EU nomenclature. For the screening I used Vocabgrabber of the Visual Thesaurus.
silicon, silica, shrimp, shelve, shallot, serine, seedling, septic, secretin, seaweed, screening, Scomber and 1171 more...
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medtech
terms found in documentation for implantable medical devices and IVD equip
distal, luer, stopcock, lumen, tortuosity, anneal, flouroscopy, radiopaque, distractor, toeing, tang, endoprosthesis and 173 more...
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Interesting words
A list of words that are odd or words that I have looked up.
concupiscence, brize, scree, scoria, forestaff, spanaemia, valetudinarianism, distasture, pyrethrum, laudanum, gentian, bicameral and 11184 more...
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IMCO - EU nomenclature
includes words of the "Prodcom list"
abaca, abdominal, abrasive, absorbent, absorber, accelerator, accessory, account book, accumulator, acebutolol, acetaldehyde, acetamide and 4515 more...
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inkhorn's Words
inkhorn, aplomb, apotheosis, asinine, avatar, bombastic, boorish, bromide, bucolic, cagey, canvass, digress and 991 more...
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Dain's Words
rabble, terminus, archaic, atavism, demiurge, waylay, syzygy, jocoserious, quark, entropy, cinnabar, shamble and 912 more...
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What's next here?
thunderhead, thundercloud, cumulus, cumulonimbus, fibrous, hazy, glaciated, cirrus, nimbus, meteorology, fahrenheit, thermoscope and 285 more...
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rememberers
prolix, ageusia, animadversion, anodyne, antic, arabesque, beadle, brachymetropia, colophon, desquamation, diaphoresis, diegesis and 3250 more...
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Just 'cause I like 'em, R
retinol, rectory, rhubarb, rancor, recension, rood, redivivus, roborate, redound, ripsnorting, ragtag, recruit and 250 more...
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A few of my favorite definitions from...
I'm especially fond of ones written by Charles Sanders Peirce.
theodolite, illusion, buckie, frank, abstract-concrete, semidiagrammatic, object-object, vortex-filament, dod, parrock, cobler, weather-box and 354 more...
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sublimation's Words
sublimation, epoxy, hairshirt, hornet, olivine, boll weevil, zebra grass, wheat smut, stinging nettle, steering column, shadow box, salt rub and 21 more...
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Bachelard: The Poetics of Space
words I looked up while reading
panegyrics, topophilia, lares, oneirism, klaxoning, vaunted, presage, proferred, bugling, dovetailing, russet, diaphanous and 25 more...
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ILP
mithridate, electuary, reagent, messenger bag, stagecoach, cantrip
Tweets
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