Dictionary

1assay

noun as·say \ˈa-ˌsā, a-ˈsā\

Definition of ASSAY

1
archaic :  trial, attempt
2
:  examination and determination as to characteristics (as weight, measure, or quality)
3
:  analysis (as of an ore or drug) to determine the presence, absence, or quantity of one or more components; also :  a test used in this analysis
4
:  a substance to be assayed; also :  the tabulated result of assaying
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Origin of ASSAY

Middle English, from Anglo-French assai, essai — more at essay
First Known Use: 14th century

Other Metals and Metallurgy Terms

bloom, bullion, ductile, ingot, malleable, patina, plate, temper, tensile

Rhymes with ASSAY

abbé, affray, agley, airplay, airway, aisleway, all-day, allay, allée, Angers, Anhui, archway, array, ashtray, astray, Augier, away, aweigh, backstay, ballet, base pay, bat ray, beignet, belay, beltway, benday, beret, betray, bewray, bidet, bikeway, birthday, Biscay, Bizet, blasé, bobstay, Bombay, Bossuet, bouchée, bouclé, boule, bouquet, Bourget, bourrée, breezeway, Bouvet, Broadway, buffet, byplay, byway, cachet, café, cahier, Cambay, Cathay, causeway, chaîné, chalet, chambray, chassé, child's play, ciré, cliché, congé, convey, co-pay, Corday, corvée, coudé, coupé, crawlway, crochet, croquet, crossway, cube, curé, cy pres, DA, daresay, D-day, death ray, decay, deejay, defray, delay, dengue, dismay, display, distrait, DJ, donnée, doomsday, doorway, dossier, downplay, dragée, driveway, duvet, Earl Grey, embay, épée, essay, estray, Ewe, fair play, fairway, Feuillet, field day, filé, filet, fillet, fireclay, fishway, flambé, flight pay, floodway, flyway, folkway, footway, foray, force play, forebay, foreplay, forestay, formée, forte, fouetté, foul play, Fouquet, four-way, fourchée, foyer, franglais, frappé, freeway, Friday, frieze, fumet, gainsay, Galway, gamay, gangway, gateway, gelée, give way, glacé, godet, gourmet, Green Bay, greenway, guideway, gunplay, hair spray, halfway, hallway, Hannay, harm's way, hatchway, headway, hearsay, Hebei, Hefei, heyday, highway, hold sway, homestay, hooray, horseplay, Hubei, in play, in re, inlay, inveigh, Islay, issei, jackstay, James Bay, jennet, jeté, Jetway, Jolliet, keyway, Kobe, koine, kouprey, lamé, laneway, lay day, leeway, lifeway, Lomé, Lord's day, lwei, lycée, M-day, maguey, mainstay, make hay, Malay, malgré, man-day, Mande, Manet, manqué, margay, massé, match play, maté, May Day, Medway, melee, meze, midday, midway, Midway, Millay, Millet, mislay, misplay, moiré, Monday, Monet, Mornay, name day, Niamey, nisei, noonday, Norway, nosegay, obey, OK, olé, ombré, one-way, osprey, Otway, outlay, outré, outstay, outweigh, oyez, PA, parfait, parkway, parlay, parquet, partway, passé, pâté, pathway, pavé, payday, pearl gray, per se, pince-nez, pipe clay, piqué, piquet, pith ray, PK, plié, plissé, pommée, Pompeii, portray, prepay, projet, pulque, puree, purvey, quale, Quesnay, raceway, Rahway, railway, rappee, red bay, relay, repay, replay, risqué, roadway, Roget, role-play, ropeway, rosé, rosebay, Roubaix, roué, routeway, runway, sachet, saint's day, Salé, sansei, sashay, sauté, screenplay, scrub jay, seaway, Shark Bay, shar-pei, shipway, short-day, sick bay, sick day, sick pay, sideway, skyway, slideway, slipway, sluiceway, soigné, soiree, someday, someway, soothsay, soufflé, speedway, spillway, squeeze play, stairway, sternway, stingray, straightway, strathspey, stroke play, subway, Sunday, survey, sweet bay, swordplay, tea tray, tempeh, thoughtway, thruway, Thursday, tideway, today, Tokay, tollway, Torbay, touché, toupee, trackway, tramway, Tuesday, Twelfth Day, two-way, unlay, unsay, valet, V-day, veejay, vide, visé, Vouvray, walkway, waylay, Wednesday, weekday, white way, windway, wood ray, wordplay, workday

2assay

verb as·say \a-ˈsā, ˈa-ˌsā\

: to test something (such as a metal or drug) to find out what it contains

Full Definition of ASSAY

transitive verb
1
:  try, attempt
2
a :  to analyze (as an ore) for one or more specific components
b :  to judge the worth of :  estimate
intransitive verb
:  to prove up in an assay
as·say·er noun

First Known Use of ASSAY

14th century

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