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Meaning of equational

e•qua•tion•al

Pronunciation: (i-kwā'zhu-nl, -shu-), [key]
— adj.
  1. of, using, or involving equations.
  2. pertaining to the second or nonreductional cell division in meiosis, in which each chromosome divides into two equal parts.
  3. (of a sentence or predication) consisting of a subject and a complement with or without a copula: “Very interesting, those books” is an equational sentence.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.