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Definition of Meta-

Meta- Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)

Alt. of Met-
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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\met"a-\ (?), met- \met-\ (?) ]. [gr. &?; between, with, after; akin to as. mid with, g. mit, goth. mi?, e. mid, in midwife.]
1. a prefix meaning between, with, after, behind, over, about, reversely; as, metachronism, the error of placing after the correct time; metaphor, lit., a carrying over; metathesis, a placing reversely.
2. (chem.) a prefix denoting: (a) other; duplicate, corresponding to; resembling; hence, metameric; as, meta-arabinic, metaldehyde. (b) (organic chem.) that two replacing radicals, in the benzene nucleus, occupy the relative positions of 1 and 3, 2 and 4, 3 and 5, 4 and 6, 5 and 1, or 6 and 2; as, metacresol, etc. see ortho-, and para-. (c) (inorganic chem.) having less than the highest number of hydroxyl groups; -- said of acids; as, metaphosphoric acid. also used adjectively.

Meta- Definition from Science & Technology Dictionaries & Glossaries
Web Dictionary of Cybernetics and Systems
A prefix meaning "changed in position", " beyond", "on a higher level", "transcending," etc., referring to the body of knowledge about a body of knowledge or about a field of study, e.g., metaMATHEMATICS, metaCOMMUNICATION ( Walzlawick), or metaINFORMATION, i.e., information about information, which is on a logical level higher than indicated (see theory of logical types, ordinality , meta-uncertainty ). (Krippendorff )
Meta- Definition from Encyclopedia Dictionaries & Glossaries
English Wikipedia - The Free Encyclopedia
Meta (from the Greek preposition and prefix meta- (μητά-) meaning "after", or "beyond") is a prefix used in English to indicate a concept which is an abstraction from another concept, used to complete or add to the latter.

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