[ 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.

  1. 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

Other words from equational

  • e·qua·tion·al·ly, adverb

Words Nearby equational

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use equational in a sentence

  • With a few equational strokes of his pen, Einstein has banished from the cosmos every fixed reality except that of light.

    Autobiography of a YOGI | Paramhansa Yogananda
  • But, coming to the negatives, the equational interpretation is certainly less obvious.

    Logic | Carveth Read