• WordNet 3.6
    • v assay analyze (chemical substances)
    • v assay 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"
    • n 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.
    • n assay an appraisal of the state of affairs "they made an assay of the contents","a check on its dependability under stress"
    • n assay a written report of the results of an analysis of the composition of some substance
    • n assay a substance that is undergoing an analysis of its components
    • ***
Webster's Revised Unabridged Dictionary
    • Assay Examination and determination; test; as, an assay of bread or wine. "This can not be, by no assay of reason."
    • Assay Tested purity or value. "With gold and pearl of rich assay ."
    • Assay (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.
    • Assay The alloy or metal to be assayed.
    • Assay To affect. "When the heart is ill assayed ."
    • v. i Assay To attempt, try, or endeavor. "She thrice assayed to speak."
    • Assay To subject, as an ore, alloy, or other metallic compound, to chemical or metallurgical examination, in order to determine the amount of a particular metal contained in it, or to ascertain its composition.
    • Assay To try tasting, as food or drink.
    • Assay To try; to attempt; to apply. "To-night let us assay our plot.""Soft words to his fierce passion she assayed ."
    • Assay Trial by danger or by affliction; adventure; risk; hardship; state of being tried. "Through many hard assays which did betide."
    • Assay Trial; attempt; essay. "I am withal persuaded that it may prove much more easy in the assay than it now seems at distance."
    • ***
Century Dictionary and Cyclopedia
    • n assay Examination; trial; attempt; essay.
    • n assay Hence Trial by danger; risk; adventure.
    • n assay Trial; tribulation; affiiction.
    • n assay The trial of the purity, weight, etc., of metals or metallic substances, as ores and alloys; any operation or experiment for ascertaining the quantity of a precious metal in an ore or a mineral, or in coin or bullion. See assaying.
    • n assay The substance to be assayed. Ure.
    • n assay In law, an examination of weights and measures by the standard. Cowell.
    • n assay Formerly, the act or custom of tasting the food or drink intended for another, as a king, before presenting it.
    • n assay Value; ascertained purity: as, “stones of rich assay,”
    • assay To examine by trial; put to test or trial; try the effect or merit of: as, to assay armor.
    • assay Specifically To make trial of or analyze, as an ore or metallic compound, with the view of determining the proportion of a particular metal present in it.
    • assay To attempt; endeavor; essay: often with an infinitive as object.
    • assay To endeavor to influence.
    • assay To affect; move.
    • assay To make an attempt or endeavor; try.
    • ***
Chambers's Twentieth Century Dictionary
    • v.t Assay as-sā′ to determine the proportions of a metal in an ore or alloy: endeavour (more usually Essay): : :
    • v.i Assay to attempt
    • n Assay the determination of the quantity of metal in an ore or alloy: the trial of anything, as in the ancient custom of tasting the drink before handing it to a king or noble: an attempt or endeavour: probation or trial:
    • v.t Assay as-sā′ (Spens.) to affect or move
    • v.t Assay as-sā′ (Shak.) to put one to the proof, as to accost with a particular purpose, to measure swords with another, &c.
    • v.t Assay as-sā′ (poet.) put to proof, examine by trial
    • n Assay (Spens.) ascertained purity
    • ***


Webster's Revised Unabridged Dictionary
OF. asaier, essaier, F. essayer, fr. essai,. See Assay (n.) Essay (v.)


In literature:

Of course you will assay the Lombard Deeps?
"Daddy's Girl" by L. T. Meade
The lower room had been the assayer's office.
"The Works of Robert Louis Stevenson - Swanston Edition" by Robert Louis Stevenson
He knew he was broke and had not had the ore assayed, and he was taking advantage of the fact.
"Silver and Gold" by Dane Coolidge
Well, how did it assay?
"Shadow Mountain" by Dane Coolidge
Thus divers men full often make assay.
"Fifteenth Century Prose and Verse" by Various
It was he who was nearly killed by a Mahratta, at Assaye, when he was a young lieutenant.
"When Ghost Meets Ghost" by William Frend De Morgan
Death is the great assayer of the sterling ore of talent.
"Hazlitt on English Literature" by Jacob Zeitlin
Then, with hands that shook, did he assay to free himself from the accursed things.
"The Red Moccasins" by Morrison Heady
The assayer, or as he is now called, assay warden (to whom were afterwards joined two assistants), is peculiar to the Goldsmiths.
"Old and New London" by Walter Thornbury
The author durst not assay the foul reality of celibate life in the Temple, or within the castle walls.
"La Sorcière: The Witch of the Middle Ages" by Jules Michelet

In poetry:

Since in every case, then,
I should be in doubt,
Why should I assay them?
Why attempt to weigh them?
Time will sort em out.
"Poem" by Bert Leston Taylor
I cannot eat a bit of bread in peace,
I cannot take a wink of sleep at ease,
I cannot drink, or any work begin,
But he assays to turn it all to sin.
"A Prayer Against The Temptations, And Assaults Of The Devil" by Rees Prichard
I saw the doubtful scene; the hard assay,
The daring crown'd with victory at last;
I saw the ancient forest fall away,
I saw the little empire spreading fast.
"To The Muse. L'Envoi" by James Avis Bartley
'I shall assay,' said Gareth with a smile
That maddened her, and away she flashed again
Down the long avenues of a boundless wood,
And Gareth following was again beknaved.
"Gareth And Lynette" by Alfred Lord Tennyson
"I make mine avow," said Little John,
"These strok-es liketh well me.
Thou art a bold man and an hardy,
And so thinketh me;
And ere I pass from this place,
Assayed better shalt thou be."
"Robin Hood" by Henry Morley
At length for sleep a weary assay,
On the lone couch wearily!
Rising at midnight again to pray,
Wearily, wearily!
And if through the dark dear eyes looked in,
Sending them far as a thought of sin!
"If I Were A Monk, And If Thou Wert A Nun" by George MacDonald

In news:

The chip was designed to replace the local lymph node assay (LLNA), a test often performed on raw materials for cosmetics.
Mass Spectroscopy for Multiplexed Kinase Assays.
Roche Gains Qiagen's PI3K Oncogene for Mutation Assay Development.
We investigated the use of an assay of trypsinogen activation peptide (TAP).
Statoil conducted a commercial assay of Grane crude oil from a sample taken Mar 18, 2012.
Cell-Based Assays for Enhanced Safety, Activity, and Target Specificity Determination.
The assay is used to screen for Group B Streptococcus infection in at-risk pregnant women and women in labor.
Taconic , a leading provider of life sciences solutions, announced it is serving as a Platinum Sponsor of the first Rare Disease Science Challenge, hosted by Assay Depot and the Rare Genomics Institute.
Sebia Supports Inserm on Development of Routine Beta Thalassemia Diagnostic Assay.
Thrombin Generation Assay Aids Development.
The authors developed a robust, automated system to conduct Karl Fischer moisture assays for lyophilized products.
Slow-release theophylline preparations have been prescribed increasingly at the Brompton Hospital, and a serum theophylline assay is requested about once for every ten prescriptions.
Utilization of an Automated Triplex Assay.
Unbacked Hi-Flow™ Plus 110 and 135 membranes are offered for high protein binding in lateral flow diagnostic assays.
Med fusion and Theranostics Health are planning to work together to validate the clinical utility of the latter's TheraLink™ Assays for use as molecular diagnostic aids in therapeutic decision making.

In science:

Within the fold: Assessing differential expression measures and reproducibility in microarray assays.
A statistical framework for the analysis of microarray probe-level data
Mouse behavioral assays relevant to the symptoms of autism.
Anxiety as a Factor in the Development of Autistic Spectrum Symptoms: an Experimental Study
An application of the proposed confidence bounds to a sample of 256 pairs of laboratory test results for toxigenic Clostridium difficile provides evidence for a dramatic sensitivity gain through first appropriately culturing Clostridium difficile from stool samples before applying an enzyme-immuno-assay.
Confidence bounds for the sensitivity lack of a less specific diagnostic test, without gold standard
The first, simple and a matter of a few hours, consists in performing an enzyme-immuno-assay (EIA) for the direct detection of toxin A or B in the stool specimen.
Confidence bounds for the sensitivity lack of a less specific diagnostic test, without gold standard
Plasma viral load : Plasma viral load was measured in copies/ml at designed study time by the ultrasensitive reverse transcriptase–polymerase chain reaction HIV-1 RNA assay (Roche Molecular Systems).
A dynamic Bayesian nonlinear mixed-effects model of HIV response incorporating medication adherence, drug resistance and covariates