nop

• (Received Pronunciation) IPA^(key): /nɒp/
• (General American) IPA^(key): /nɔp/

• Audio (Southern England):

  (file)

• Rhymes: -ɒp

• NOP

nop (plural nops)

1. (programming) A no-op; a CPU instruction that does nothing.
   • 1999, Dominic Sweetman, See MIPS Run:

     The MIPS instruction set is rich in nops, since any instruction with zero as a destination is guaranteed to do nothing.

   • 2004, Patterson et al, Computer Organization and Design: The Hardware/Software Interface

     Notice that in computing CPI or IPC, we do not count any nops executed as useful instructions.

• no-op

• NOP sled
• NOP slide

nop (third-person singular simple present nops, present participle nopping, simple past and past participle nopped)

1. (programming) To replace machine code with nop instructions when modifying software.
   • 1992, The Cyborg, The Cracking Manual:

     For example, if there is a CALL 3140 and we want to skip this call, we can NOP it out.

   • 2012, Michael W. Berry, Kyle A. Gallivan, Efstratios Gallopoulos, High-Performance Scientific Computing: Algorithms and Applications:

     Worse, some patching can result in codes which cannot be executed: for example nopping the load which provides the value for the denominator of a division can result in a division by zero.

nop

1. (informal, rare) Alternative form of nope

• pon, PON, OPN, Pon, NPO, 'pon, ONP

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

• IPA^(key): /ˈnɔp/
• Rhymes: -ɔp
• Hyphenation: nòp

nop

1. (informal, neologism) nope

Borrowed from English nope.

• (Brazil) IPA^(key): /ˈnɔp/

nop

1. (informal, neologism) nope

nop (plural nopxam)

1. bobcat, Lynx rufus

• Moser, Mary B., Marlett, Stephen A. (2010) Comcaac quih yaza quih hant ihiip hac: cmiique iitom - cocsar iitom - maricaana iitom [Seri-Spanish-English Dictionary], 2nd edition, Hermosillo: Plaza y Valdés Editores, →ISBN, page 454.

Possibly loaned from English nope.

• IPA^(key): /ˈnop/ [ˈnop]
• Rhymes: -op
• Syllabification: nop

nop

1. (informal, neologism) nope

• sip