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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

psychological feature go
a feature of the mental life of a living organism

event go
something that happens at a given place and time

act, deed, human action, human activity go
something that people do or cause to happen

activity go
any specific behavior

effort, attempt, endeavor, endeavour, try go
earnest and conscientious activity intended to do or accomplish something

run, test, trial go
the act of testing something

assay go
a quantitative or qualitative test of a substance (especially an ore or a drug) to determine its components

diagnostic test, diagnostic assay go
an assay conducted for diagnostic purposes

biopsy go
examination of tissues or liquids from the living body to determine the existence or cause of a disease

blood test
a serologic analysis of a sample of blood

noun.cognition

3 Subcategories

agglutination test go
a blood test used to identify unknown antigens
complement fixation test go
a blood test in which a sample of serum is exposed to a particular antigen and complement in order to determine whether or not antibodies to that particular antigen are present
PSA blood test go
a blood test that measures levels of a protein called prostate specific antigen that is manufactured exclusively by the prostate gland