A procedure intended to establish the quality, performance, or reliability of something, especially before it is taken into widespread use
The shell or integument of some invertebrates and protozoans, especially the chalky shell of a foraminiferan or the tough outer layer of a tunicate
a series of scientific tests
A test explosion of an atomic bomb.
A conclusive test of the success or value of something
A test to determine the mutagenic activity of chemicals by observing whether they cause mutations in sample bacteria
A trial of machinery, software, or other products, in the final stages of its development, carried out by a party unconnected with its development
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
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
Examination by eye, or a type or instance of this (now rare).
(Of gasoline) high-octane
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
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.
To perform a life test upon (a product or component).
A test carried out using oil, or for ascertaining some property of oil, such as its flashpoint, lubricating quality, or edibility.
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)
A test involving the percolation of water through earth to ascertain its suitability for a septic tank.
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).
A test of the performance of a vehicle or engine on the road
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).
A test for an immune reaction performed by applying a substance topically or injecting it into the skin
(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
A piece of equipment used for testing new machinery, especially aircraft engines
A still television picture transmitted outside normal programme hours and designed for use in judging the quality and position of the image
A case that sets a precedent for other cases involving the same question of law
A portion of food of specified quantity and composition, eaten to stimulate digestive secretions which can then be analyzed
A small preliminary excavation made to gain an idea of the contents or stratigraphy of an archaeological site
An apparatus used for assessing the performance of a piece of mechanical or electrical equipment
A thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments
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.
A trial of machinery, software, or other products carried out by a developer before a product is made available for beta testing
A test carried out on a machine, a component, or software before it is released for use, to ensure that it works properly
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
A test in which a driver is made to blow into a breathalyzer to check the amount of alcohol that has been drunk
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
Deliberately crash (a new vehicle) under controlled conditions in order to evaluate and improve its ability to withstand impact
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
= drug test.
A test carried out in the environment in which a product or device is to be used
A flight of an aircraft, rocket, or equipment to see how well it functions
A test for acidity or alkalinity using litmus
To subject (a product or service) to market testing.
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).
An official investigation into someone’s financial circumstances to determine whether they are eligible for a welfare payment or other public funds
= intelligence test.
= screen test.
= means test.
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