Columbia Encyclopedia

Search results

258 results found

Pap test

(Encyclopedia)Pap test, Pap smear, or Papanicolaou test păpˌənēˈkəlou [key], medical procedure used to detect cancer of the uterine cervix (see uterus). A scraping, brushing, or smear, is taken from the surf...

Pap smear

(Encyclopedia)Pap smear: see Pap test.

Papanicolaou test

(Encyclopedia)Papanicolaou test: see Pap test.

bead test

(Encyclopedia)bead test, test used in the identification of certain metals. Some metallic ions that cannot be identified by a flame test are identified by a bead test. The test can also be used to confirm the resul...

stress test

(Encyclopedia)stress test or exercise electrocardiography, in medicine, a test that evaluates the performance of the heart by subjecting it to controlled amounts of physical stress. Such tests, which include walkin...

Marsh test

(Encyclopedia)Marsh test, method for the detection of arsenic, so sensitive that it can be used to detect minute amounts of arsenic in foods (the residue of fruit spray) or in stomach contents. The sample is placed...

Turing test

(Encyclopedia)Turing test, a procedure to test whether a computer is capable of humanlike thought. As proposed (1950) by the British mathematician Alan Turing, a person (the interrogator) sits with a teletype machi...

flame test

(Encyclopedia)flame test, test used in the identification of certain metals. It is based on the observation that light emitted by any element gives a unique spectrum when passed through a spectroscope. When a salt ...

Schick test

(Encyclopedia)Schick test, diagnostic test designed to evaluate susceptibility to diphtheria. A small amount of diphtheria toxin is injected into the skin; the injection will produce an area of redness and swelling...

Szondi test

(Encyclopedia)Szondi test: see psychological tests. ...