Assay ton

Assay ton
Assay As*say", n. [OF. asai, essai, trial, F. essa. See {Essay}, n.] 1. Trial; attempt; essay. [Obs.] --Chaucer. [1913 Webster]

I am withal persuaded that it may prove much more easy in the assay than it now seems at distance. --Milton. [1913 Webster]

2. Examination and determination; test; as, an assay of bread or wine. [Obs.] [1913 Webster]

This can not be, by no assay of reason. --Shak. [1913 Webster]

3. Trial by danger or by affliction; adventure; risk; hardship; state of being tried. [Obs.] [1913 Webster]

Through many hard assays which did betide. --Spenser. [1913 Webster]

4. Tested purity or value. [Obs.] [1913 Webster]

With gold and pearl of rich assay. --Spenser. [1913 Webster]

5. (Metallurgy) The act or process of ascertaining the proportion of a particular metal in an ore or alloy; especially, the determination of the proportion of gold or silver in bullion or coin. [1913 Webster]

6. The alloy or metal to be assayed. --Ure. [1913 Webster]

Usage: {Assay} and {essay} are radically the same word; but modern usage has appropriated {assay} chiefly to experiments in metallurgy, and {essay} to intellectual and bodily efforts. See {Essay}. [1913 Webster]

Note: Assay is used adjectively or as the first part of a compound; as, assay balance, assay furnace. [1913 Webster]

{Assay master}, an officer who assays or tests gold or silver coin or bullion.

{Assay ton}, a weight of 29,166 2/3 grams. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Assay ton — A weight of 29.166 + grams used in assaying, for convenience. Since it bears the same relation to the milligram that a ton of 2000 avoirdupois pounds does to the troy ounce, the weight in milligrams of precious metal obtained from an assay ton of …   The Collaborative International Dictionary of English

  • assay ton — (AT)    a specialized unit of mass used by minerologists in assaying (testing) ores for the presence of gold, silver, platinum, uranium, or other valuable metals. One assay ton equals 29.1667 grams: just a little over an an ounce! The assay ton… …   Dictionary of units of measurement

  • assay ton — noun : a unit of weight of ore taken for assay equal to 29166 2/3 milligrams, the number of milligrams of precious metal in this amount of ore being equal to the number of troy ounces per 2000 pound ton * * * a unit of weight used in assaying ore …   Useful english dictionary

  • assay ton — a unit of weight used in assaying ore, equivalent to 29.167 grams. [1880 85] * * * …   Universalium

  • Assay — As*say , n. [OF. asai, essai, trial, F. essa. See {Essay}, n.] 1. Trial; attempt; essay. [Obs.] Chaucer. [1913 Webster] I am withal persuaded that it may prove much more easy in the assay than it now seems at distance. Milton. [1913 Webster] 2.… …   The Collaborative International Dictionary of English

  • Assay master — Assay As*say , n. [OF. asai, essai, trial, F. essa. See {Essay}, n.] 1. Trial; attempt; essay. [Obs.] Chaucer. [1913 Webster] I am withal persuaded that it may prove much more easy in the assay than it now seems at distance. Milton. [1913… …   The Collaborative International Dictionary of English

  • Ton — Not to be confused with tonnage. For other uses, see Ton (disambiguation). The ton is a unit of measure. It has a long history and has acquired a number of meanings and uses over the years. It is used principally as a unit of weight, and as a… …   Wikipedia

  • List of unusual units of measurement — For units of measure primarily used in countries where English is not the main language, see the article specific to that country, a list of which can be found in the systems of measurement article. An unusual unit of measurement is a unit of… …   Wikipedia

  • weight — I (New American Roget s College Thesaurus) n. heaviness; heft; overweight, avoirdupois, tonnage, poundage; gravity; ballast; measurement; importance, influence; significance; pressure, load, burden. See quantity. v. ballast, load, burden; favor;… …   English dictionary for students

  • gravity — I (New American Roget s College Thesaurus) I n. weight (see gravity); graveness, importance. Ant., lightness, unimportance. II Weight Nouns 1. gravity, gravitation; weight, weighing; heft, heaviness; ponderosity, pressure, burden; ballast,… …   English dictionary for students

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