Nap vs Nop - What's the difference?

nap | nop |

As an initialism nap

is .

As a noun nop is

(programming) a no-op; a cpu instruction that does nothing.

As a verb nop is

(programming) to replace machine code with nop instructions when modifying software.

nap

English

Etymology 1

From (etyl) nappen, from (etyl) ).

Noun

(en noun)

A short period of sleep, especially one during the day

Synonyms

* See also

Derived terms

* catnap * dirt nap

Verb

(napp)

to have a nap; to sleep for a short period of time, especially during the day

to be off one's guard

* Hudibras

I took thee napping , unprepared.

The regulators were caught napping by the financial collapse.

Derived terms

* catch napping

Synonyms

* snooze * doze

Etymology 2

From (etyl) , from (etyl)

Noun

(-)

A soft or fuzzy surface on fabric or leather.

* 1591 , , by William Shakespeare

I tell thee, Jack Cade the clothier means to dress the commonwealth, and turn it, and set a new nap upon it.

*1851 ,

On his long, gaunt body, he carried no spare flesh, no superfluous beard, his chin having a soft, economical nap' to it, like the worn ' nap of his broad-brimmed hat.

* 1939 , (Raymond Chandler), The Big Sleep , Penguin 2011, p. 37:

There were low bookshelves, there was a thick pinkish Chinese rug in which a gopher could have spent a week without showing his nose above the nap .

Verb

(napp)

to form or raise a soft or fuzzy surface on (fabric or leather)

Etymology 3

* From the name of the French emperor Napoleon I of France (Bonaparte)

Noun

(en noun)

(British) A type of bet in British horse racing, based on the experts' best tips

(uncountable, games) A card game in which players take tricks; properly (Napoleon)

Derived terms

* go nap

Etymology 4

possibly Scandanavian, cognate with nab, see Swedish

Verb

(napp)

(obsolete) to grab; to nab

Derived terms

* kidnap

Etymology 5

From (etyl) napper, from .

Verb

(napp)

(cooking) To cover (something) with a sauce (usually in passive)

* 2006 , Wayne Gisslen, Mary Ellen Griffin, Professional Cooking for Canadian Chefs? :

Vanilla ice cream topped with a poached or canned pear half, napped with chocolate sauce, and garnished with toasted sliced almonds.

Anagrams

* * * English terms with multiple etymologies ----

nop

English

Noun

(en noun)

(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.

Verb

(en-verb)

(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.

Anagrams

* ----