operandn.

1846 W. R. Hamilton in Trans. Royal Irish Academy 21 i. 202 By omitting the symbol q of that quaternion of moments which is here the common operand, we may write, more concisely, [etc.].

1850 London, Edinb., & Dublin Philos. Mag. 36 490 The subject of operation, or (to adopt Sir W. Hamilton's convenient term) the operand, is in general not represented by any symbol at all, but is to be understood.

1854 Philos. Trans. (Royal Soc.) 144 250 In the term P(Q) these differentiations, or what is the same thing, the operation P, is considered to be performed upon Q as operand.

1886 W. S. Aldis Elem. Solid Geom. (ed. 4) xiv. 238 The operation of multiplication by a vector is distributive both as regards the operator and the operand.

1956 E. C. Berkeley & L. Wainwright Computers ii. 37 The first two registers receive the operands, or numbers operated on.

1973 D. U. Wilde Introd. Computing Probl. v. 106 The or operation is said to be true if either or both of its operands are true; otherwise, it is false. The and operation is true if both operands are true; otherwise, it is false.

2013 J. Cavanagh X86 Assembly Lang. & C Fund. iii. 87 X86 instructions can have zero or more operands; for example, a return (RET) instruction from a procedure (subroutine) can have no operands or an immediate operand.