| 单词 | contact lens |
| 释义 | contact /konˈtakt/noun
ORIGIN: L contingere, contactum to touch, from con- wholly, and tangere to touch contactˈable adjective Able to be contacted contactee' noun A person who claims to have received communications from extraterrestrial beings con'tactless adjective Denoting a payment system in which credits stored on a smart card (qv) are deducted without the card being passed through a card reader conˈtactor noun A device for repeatedly making and breaking an electric circuit contactˈual adjective Relating to contact contact centre noun A building where workers provide services to a company's customers by telephone, computer, etc contact flight noun Navigation of an aircraft by ground observation alone contact lens noun A lens, usu of thin plastic material, worn in direct contact with the eyeball, instead of spectacles, to correct defects of vision contact man noun (informal) An intermediary in transactions, esp shady ones contact metamorphism noun (geology) Alteration of rocks in the neighbourhood of igneous materials contact poison noun A poison which can penetrate the skin, and which can act without being swallowed or inhaled contact print noun (photography) A print made by putting a negative or positive transparency in direct contact with a sensitized paper or film and exposing to light conˈtact-print transitive verb contact process noun The process of large-scale manufacture of sulphuric acid by the oxidation of sulphur dioxide to sulphur trioxide in the presence of a catalyst contact sport noun A sport involving much physical contact between players contact tracing noun A system used by health workers and certain clinics, to control the spread of a disease, eg sexually transmitted disease, by finding as many individuals who have had contact with a patient as possible |
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