approximant
noun/əˈprɒksɪmənt/
/əˈprɑːksɪmənt/
- (phonetics) a speech sound made by bringing the parts of the mouth that produce speech close together but not actually touching, for example /r/ and /w/ in right and wet in many accents of (= ways of pronouncing) English
近似音；无擦通音；无摩擦延续音 - (mathematics) an answer to a problem in mathematics that is a close estimate of the solution of the problem
逼近式