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  • sec
    sec
  • SEC
    SEC
    Securities and Exchange Commission: a board, consisting of five members, charged with regulating the public offer and sale of securities.
  • sec.
    sec.
    abbreviation
    second.
Synonyms

sec

1 American  

sec 2 American  
[sek] / sɛk /

adjective

  1. (of wines) dry; not sweet.


sec 3 American  
[sek] / sɛk /

noun

Informal.
  • secs
    plural
  1. second.


SEC 4 American  
Or S.E.C.
U.S. Government.
  1. Securities and Exchange Commission: a board, consisting of five members, charged with regulating the public offer and sale of securities.


sec. 5 American  

abbreviation

  1. second.

  2. secondary.

  3. secretary.

  4. section.

  5. sector.

  6. according to.


SEC 1 British  

abbreviation

  1. Securities and Exchange Commission

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sec 2 British  
/ sɛk /

adjective

  1. (of wines) dry

  2. (of champagne) of medium sweetness

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sec 3 British  
/ sɛk /

abbreviation

  1. secant

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sec 4 British  
/ sɛk /

noun

  1. informal short for second 2

    wait a sec

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sec. 5 British  

abbreviation

  1. second (of time)

  2. secondary

  3. secretary

  4. section

  5. sector

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

sec Scientific  
  1. Abbreviation of secant


Other Word Forms

Noun Inflected Forms

Etymology

Origin of sec2

From French, dating back to 1885–90; see origin at sack 3

Origin of sec3

First recorded in 1955–60; by shortening

Origin of sec.5

From the Latin word secundum

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Mir became the pace setter after the 28-year-old clocked 1 min 56.874 sec on his Honda machine after 11 laps, to become the fastest rider over two days of testing in Malaysia.

From Barron's ● Feb. 4, 2026

Caporale suggests adding agave nectar to sweeten the lime juice base, along with orange juice or orange peel to compensate for the lack of triple sec.

From Salon ● Jan. 18, 2026

Back up for a sec: Koufax pitched a shutout in Game 5 on Oct.

From Los Angeles Times ● Oct. 21, 2024

However Caddick and Murray held on to finish in second by 0.12 sec.

From BBC ● Sep. 1, 2024

I stared down at the guy for a sec, shaking my head.

From "We Were Here" by Matt De La Peña

Musk holds a 48.4% equity stake in SpaceX, which represents approximately 6.42 billion shares across common stock, options and unvested performance awards, according to an August SEC filing.

From MarketWatch ● Oct. 9, 2026

There is then a 30-day period where companies can opt out, and the SEC is doing this on a limited basis.

From The Wall Street Journal ● Oct. 9, 2026

Musk also owns 20% of Tesla, according to a June SEC filing.

From MarketWatch ● Oct. 9, 2026

While Atkins now runs the SEC, Bankman-Fried is serving a 25-year stretch in federal prison for fraud.

From MarketWatch ● Oct. 1, 2026

In its lower Manhattan office, the SEC met with them and listened, but politely.

From "The Big Short" by Michael Lewis

Photographer’s description: “Cute, cute, cute … young barred owls cuddling in between feeding time. Canon EOS 7D Mark II camera, EF 100-400mm f/4.5-5.6L lens, 1/500 sec., f5.6, ISO 6400.”

From Seattle Times ● Sep. 1, 2021

Politico's Natasha Bertrand, on June 24, tweeted, "Barr will testify before House Judiciary on July 28th, per DOJ press sec. Nadler had been preparing a subpoena."

From Salon ● Jun. 25, 2020

“Hold on a sec. How do you know about this? GoogleTime didn’t exist in 2018.”

From Nature ● Jan. 28, 2020

Glover’s piece was blasted on Twitter by constitutional scholars—here is a tweetstorm by Josh Chafetz—pointing out that “this proposal has a big Article I, sec. 5, cl. 3 problem.”

From Slate ● Nov. 18, 2019

“Just a sec. I’ve got to get something,” I said.

From "Hope Springs" by Jaime Berry

Backstedt, who started third from last, set the time to beat as she came home 5.43 secs quicker than Germany's Franziska Koch, who eventually finished third.

From BBC ● Sep. 20, 2026

“Fam we were 1.1 secs away from being down thousands lol,” one defendant wrote in a group text to his alleged conspirators.

From The Wall Street Journal ● Jun. 29, 2026

I've just crossed the line at parkrun and stopped my watch - 22 mins and 28 secs.

From BBC ● Dec. 5, 2025

Amy Hunt finished fifth in her women's 60m heat in 7.29 secs as she continued her comeback from a long-term injury, missing out on a place in the next round.

From BBC ● Mar. 2, 2024

To keep the three other types of series comparable with the movement series, if possible, their exposure was also increased from 3 to 5 secs.

From Harvard Psychological Studies, Volume 1 Containing Sixteen Experimental Investigations from the Harvard Psychological Laboratory. by Hugo Münsterberg

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