WordReference Random House Unabridged Dictionary of American English © 2026
e•qua•tion•al
(i kwā′zhə nl, -shə-),USA pronunciation adj.
e•qua′tion•al•ly, adv.
- of, using, or involving equations.
- Cell Biology[Biol.]pertaining to the second or nonreductional cell division in meiosis, in which each chromosome divides into two equal parts.
- 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.
- equation + -al1 1860–65
'equational' also found in these entries (note: many are not synonyms or translations):