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a. Later in time: metestrus.
b. At a later stage of development: metanephros.
2. Situated behind: metacarpus.
a. Change; transformation: metachromatism.
b. Alternation: metagenesis.
a. More comprehensive: meta-analysis.
b. Describing or showing an awareness of the activity that is taking place or being discussed; self-referential: metafiction.
c. At a higher state of development: metazoan.
5. Having undergone metamorphosis: metasomatic.
a. Derived from, as an acid, by dehydration: metaphosphoric acid.
b. Of or relating to one of three possible isomers of a benzene ring with two attached chemical groups, in which the carbon atoms with attached groups are separated by one unsubstituted carbon atom: meta-dibromobenzene.
meta-or sometimes before a vowel
1. indicating change, alteration, or alternation: metabolism; metamorphosis.
2. (Education) (of an academic discipline, esp philosophy) concerned with the concepts and results of the named discipline: metamathematics; meta-ethics. See also metatheory
3. occurring or situated behind or after: metaphase.
4. (Elements & Compounds) (often in italics) denoting that an organic compound contains a benzene ring with substituents in the 1,3-positions: metadinitrobenzene; meta-cresol. Abbreviation: m- Compare ortho-4, para-16
5. (Elements & Compounds) denoting an isomer, polymer, or compound related to a specified compound (often differing from similar compounds that are prefixed by para-): metaldehyde.
6. (Elements & Compounds) denoting an oxyacid that is a lower hydrated form of the anhydride or a salt of such an acid: metaphosphoric acid. Compare ortho-5
[Greek, from meta with, after, between, among. Compare Old English mid, mith with, Old Norse meth with, between]
pertaining to or occupying positions (1, 3) in the benzene ring separated by one carbon atom. Compare ortho, para2.
[1875–80; independent use of meta-]
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; metalinguistics.
2.Also, esp. before a vowel, met-.
a. a combining form used in the names of acids, salts, or their organic derivatives that are the least hydrated of a given series: meta-antimonic HSbO3. Compare ortho- (def. 2a), pyro- (def. 2a).
b. a combining form used in the names of benzene derivatives in which the substituting group occupies the meta position in the benzene ring. Abbr.: m-
[< Greek, prefix and preposition]
pref → meta-, Meta-