pseudo-operationn.
/ˈs(j)uːdə(ʊ)ɒpəˌreɪʃn/, /ˌs(j)uːdə(ʊ)ɒpəˈreɪʃn/, U.S. /ˈsudoʊˌɑpəˌreɪʃən/, /ˌsudoʊˌɑpəˈreɪʃən/ 1. Something that resembles an operation but is not one in the strict or usual sense.
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1947 Bull. Amer. Math. Soc. 53 1026 The transition from the true operations to their pseudo-operations is effected by any one of the familiar methods of round off.
1957 P. Suppes Introd. to Logic viii. 158 By use of the pseudo-operation ☐ we were able to derive a contradiction in §8.1 just because ‘x ☐ y’ does not designate a unique entity.
2000 T. G. Mitchell Native vs. Settler vi. 144 In March 1982 a pseudo-operation took place in Oshikuku in which eight villagers were killed.
2. Computing. = pseudo-instruction n. at pseudo- comb. form 2.
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society > computing and information technology > programming language > program or code > [noun] > instruction > pseudo
pseudo-order1951
pseudo-operation1956
pseudo-instruction1957
1956 Jrnl. Assoc. Computing Machinery 3 299 One of the principal objectives of the pact I compiler has been to eliminate as much as was immediately feasible of the book~keeping and rudimentary thinking which is involved in the preparation of a computational problem for a large-scale, high-speed digital computer. To this end, a set of pact pseudo-operations was developed.
1976 W. G. Rudd Assembly Lang. Programming v. 62 The start pseudo-operation orders the assembler to begin the assembly process.
1989 D. J. Mounter BBCBASIC(Z80) Reference Man. for Z88 (BNC) You can store constants within your assembly language program using the define byte ( defb), define word ( defw) and define message ( defm) pseudo-operation commands.
This entry has been updated (OED Third Edition, September 2007; most recently modified version published online March 2022).
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n.1947