ɪˈkweɪʃən n. 1
the process of equating or
making equal; the
state of
being equal. 2
Math. a
statement that two mathematical expressions are equal (indicated by the
sign =). 3 Chem. a
formula indicating a
chemical reaction by
means of symbols
for the elements
taking part. øequation of the
first order, second order , etc. an equation involving
only the first
derivative, second derivative, etc. øøequational adj. [ME f. OF equation or L aequatio (as EQUATE)]