Skip to main content
assay

assay

5 8.9
A sample of a substance that people test
  • noun
  • /əˈseɪ/
  • Specialized
translation icon : muestra
  • A human immunodeficiency virus assay should also be strongly considered for such a patient.

Examples

  • We also opted to have the assays done in a lab, rather than try to do them ourselves.

    Academic text (2002)
  • The various extracts of plants were tested by this assay, and results were tabulated in Table 2.

    Academic text (2014)
  • Purple spots on assay pads indicate the presence of total coliforms in samples.

    Academic text (2006)
  • Laboratories currently use a microbiological assay to measure total folate, says Beecher.

    Academic text (1998)
  • Certain discrepancies among reports are to be expected in the absence of standardized assays and criteria.

    Academic text (2013)
  • The need for a reliable diagnostic assay to detect larval cyathostomins is still obligatory.

    Academic text (2015)
  • For molecular detection and characterization, PCR assay was performed on kit-extracted purified DNA from swab and tissue samples.

    Academic text (2014)
  • The scientist prepared the assay to analyze the purity of the chemical sample.

  • A detailed assay was conducted to determine the gold content in the mineral.

  • She received the results of the assay which confirmed the quality of the medication.

Synonyms

analyte
vsassay
  • Specialized
1 8.2

A substance measured or identified in a lab test

is the whole sample tested to find composition or quality

Compounds

bio-assay
  • Specialized
7.3

A scientific test that measures how a substance affects living things compared to a known standard

diagnostic assay
  • Specialized
6.0

A lab test that finds or confirms a disease in a person

A lab test that uses an enzyme to find antibodies or germs in blood

9.9

A small stamped sign on a gold or silver item that shows its purity and maker

immunochemical assay
  • Specialized
6.6

A lab test that uses antibodies to find or measure proteins in body samples

How Sensitive

mass spectrometer
  • Specialized
3 5.5
radioimmunoassay
  • Specialized
1 8.9
immunoassay
  • Specialized
1 7.2
assay
  • Specialized
5 8.9
screening
23 3.9

Surface Forms

assay singular
assays plural

Etymology

Assay originally meant a 'test' or 'trial', like an essay is an 'attempt' in writing. By extension, an assay can mean the actual sample that is put to the test to see what it contains.