msec

m·sec
M3S1E1C3
colloquial/ˈɛm.sɛk/

noun

A millisecond, ¹⁄₁₀₀₀ of a second.

Less commonScrabble 8

Meanings

nounmsec (plural msec or msecs)

plural msecs · alternative msec.

  1. informalA millisecond, ¹⁄₁₀₀₀ of a second.

    The integration time was roughly 40 msec.

    1999 December 17, Edward H. Adelson et al., “Filtering Reveals Form in Temporally Structured Displays”, in Science, volume 286, number 5448, →DOI
    2 more examples

    According to P. Hoffmann [1920] an afferent volley, electrically excited or elicited by a tendon tap, depresses for 30–100 msec. the motor discharge to an extensor muscle aroused by voluntary effort.

    1935 July 6, Herbert S. Gasser, “The changes produced in the injury discharge of nerve fibres during the period following a propagated disturbance”, in The Journal of Physiology, quoted in OED, →DOI, →ISSN, →LCCN, →OCLC, page 15

    The time required for a solution change varied between 50 msec and ~ 1 sec, possibly reflecting the varied extent of -shape formation of the excised patch.

    2009, Science, pages 2172–2175

Synonyms & antonyms

nounone thousandth (10^-3) of a second

Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From Translingual m- (“milli-”) + English sec (“second”). First attested in 1935.

Full word history & related roots →

Rhymes & wordplay

Rhymes with msec

All rhymes →

Anagrams

Cite this entry
APA

msec. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/msec

MLA

“msec.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/msec. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “msec,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/msec.

Source: msec on Wiktionary, CC BY-SA 4.0.