Webster’s Revised Unabridged Dictionary · 1913
Modification
Mod′i·fi·ca′tion, n. [L. modificatio a measuring: cf. F. modification. See Modify.] The act of modifying, or the state of being modified; a modified form or condition; state as modified; a change; as, the modification of an opinion, or of a machine; the various modifications of light. Bentley.