/ I5kweIVn; I`kweVEn/ *n *

[C] (*mathematics *数) statement that two expressions (connected by the sign =) are equal, eg *2x + 5 = 11* 等式（如2x + 5 = 11）.

[U] action of making equal or regarding as equal 等同; 相等: *The equation of wealth with happiness can be dangerous. *把财富与幸福等同起来有时候很危险.