[ih-kwey-zhuh-nl, -shuh-]
  1. of, using, or involving equations.
  2. Biology. pertaining to the second or nonreductional cell division in meiosis, in which each chromosome divides into two equal parts.
  3. Grammar. (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.

Origin of equational

First recorded in 1860–65; equation + -al1
Related formse·qua·tion·al·ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for equational

Historical Examples of equational

  • But, coming to the negatives, the equational interpretation is certainly less obvious.


    Carveth Read