operand

• POS: Noun
• HYPHEN: op=er=and

CIDE DICTIONARY

operand, n. [From neuter of L. operandus, gerundive of operari. See Operate.].

 The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.  [1913 Webster]

OXFORD DICTIONARY

operand, n. Math. the quantity etc. on which an operation is to be done.

Etymology

L operandum neut. gerundive of operari: see OPERATE