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test1 US English

A procedure intended to establish the quality, performance, or reliability of something, especially before it is taken into widespread use

test2 US English

The shell or integument of some invertebrates and protozoans, especially the chalky shell of a foraminiferan or the tough outer layer of a tunicate

test US Thesaurus

a series of scientific tests

test. US English


Test. US English


A-test US English

A test explosion of an atomic bomb.

acid test US English

A conclusive test of the success or value of something

Ames test US English

A test to determine the mutagenic activity of chemicals by observing whether they cause mutations in sample bacteria

beta test US English

A trial of machinery, software, or other products, in the final stages of its development, carried out by a party unconnected with its development

drop test US English

A test of the strength of an object, in which it is dropped under standard conditions or a set weight is dropped on it from a given height

drug test US English

A test performed on blood or urine to determine the presence or absence of proscribed drugs and used especially to detect athletes using performance-enhancing drugs such as steroids

eye test US English

Examination by eye, or a type or instance of this (now rare).

high-test US English

(Of gasoline) high-octane

Izod test US English

A material strength test in which a notched specimen is broken by a blow from a pendulum, the energy absorbed being determined from the decrease in the swing of the pendulum

life test US English

A test made on a sample of manufactured products or components in specified operating conditions, either for a certain length of time or until failure occurs, in order to determine their reliability; (also, as a mass noun) testing of this kind.

life-test US English

To perform a life test upon (a product or component).

oil test US English

A test carried out using oil, or for ascertaining some property of oil, such as its flashpoint, lubricating quality, or edibility.

Pap test US English

A test to detect cancer of the cervix or uterus, using a specimen of cellular material from the neck of the uterus spread on a microscope slide (Pap smear)

perc test US English

A test involving the percolation of water through earth to ascertain its suitability for a septic tank.

post-test US English

A test taken after a programme, course, etc., and designed to measure its value or effectiveness (usually by comparing the results with those of a test taken before such training).

road test US English

A test of the performance of a vehicle or engine on the road

sign test US English

A non-parametric test used to assess the hypothesis that there is no difference between the distributions of two related samples (before and after some treatment).

skin test US English

A test for an immune reaction performed by applying a substance topically or injecting it into the skin

Test Act US English

(In the UK) an act in force between 1673 and 1828 that made an oath of allegiance to the Church of England and the supremacy of the monarch as its head and repudiation of the doctrine of transubstantiation a condition of eligibility for public office

test bed US English

A piece of equipment used for testing new machinery, especially aircraft engines

test card US English

A still television picture transmitted outside normal programme hours and designed for use in judging the quality and position of the image

test case US English

A case that sets a precedent for other cases involving the same question of law

test meal US English

A portion of food of specified quantity and composition, eaten to stimulate digestive secretions which can then be analyzed

test pit US English

A small preliminary excavation made to gain an idea of the contents or stratigraphy of an archaeological site

test rig US English

An apparatus used for assessing the performance of a piece of mechanical or electrical equipment

test tube US English

A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments

walk test US English

A test involving walking; (Medicine) a test of fitness, heart or lung function, etc., in which a subject is made to walk for a specified time.

alpha test US English

A trial of machinery, software, or other products carried out by a developer before a product is made available for beta testing

bench test US English

A test carried out on a machine, a component, or software before it is released for use, to ensure that it works properly

blood test US English

A scientific examination of a sample of blood, typically for the diagnosis of illness or for the detection and measurement of drugs or other substances

breath test US English

A test in which a driver is made to blow into a breathalyzer to check the amount of alcohol that has been drunk

cloze test US English

A test in which one is asked to supply words that have been removed from a passage in order to measure one’s ability to comprehend text

crash-test US English

Deliberately crash (a new vehicle) under controlled conditions in order to evaluate and improve its ability to withstand impact

Draize test US English

A pharmacological test in which a substance is introduced into the eye or applied to the skin of a laboratory animal in order to ascertain the likely effect of that substance on the corresponding human tissue

drugs test US English

= drug test.

field test US English

A test carried out in the environment in which a product or device is to be used

flight test US English

A flight of an aircraft, rocket, or equipment to see how well it functions

litmus test US English

A test for acidity or alkalinity using litmus

market test US English

To subject (a product or service) to market testing.

Marsh test US English

A sensitive test for the presence of arsenic, in which nascent hydrogen generated by the addition of hydrochloric acid and zinc is used to reduce any arsenic in a sample to the gas arsine, which is then converted by heat to a brown deposit of metallic arsenic (distinguishable from the similar stain given by antimony by its solubility in sodium hypochlorite solution).

means test US English

An official investigation into someone’s financial circumstances to determine whether they are eligible for a welfare payment or other public funds

mental test US English

= intelligence test.

movie test US English

= screen test.

needs-test US English

= means test.

patch test US English

A test to discover whether a person is allergic to any of several substances that are applied to the skin in light scratches or under a patch

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