Pronunciation: (mē'tu),[key] —n., —pl.-taePronunciation: (-tē).[key] (in ancient Rome) a column or post, or a group of columns or posts, placed at each end of a racetrack to mark the turning places.
Pronunciation: (met'u),[key] —adj.Chem. pertaining to or occupying two positions (1, 3) in the benzene ring that are separated by one carbon atom. Cf. ortho, para3.See diag. under ortho.
Pronunciation: (mē'tu),[key] —n. a female given name.
1. a prefix appearing in loanwords from Greek, with the meanings “after,” “along with,” “beyond,” “among,” “behind,” and productive in English on the Greek model: metacarpus; metagenesis; metalinguistics. 2. Chem. a. (of acids, salts, or their organic derivatives) a prefix denoting the least hydrated of a series: meta-antimonic, HSbO3; meta-antimonous, HSbO2. Cf. ortho-, pyro-. b. a prefix designating the meta position in the benzene ring. Abbr.: m-. Cf. ortho-, para-1. Also,esp. before a vowel,met-.