Pronunciation: (i-kwā'zhun, -shun), [key]
1. the act of equating or making equal; equalization: the symbolic equation of darkness with death.
2. equally balanced state; equilibrium.
3. Math.an expression or a proposition, often algebraic, asserting the equality of two quantities.
4. Chem.a symbolic representation showing the kind and amount of the starting materials and products of a reaction.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.