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sec

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  1. secant.
  2. second2.
  3. section.
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sec1

[sek]
adjective
  1. (of wines) dry; not sweet.
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Origin of sec1

From French, dating back to 1885–90; see origin at sack3

sec2

[sek]
noun Informal.
  1. second2(def 2).
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Origin of sec2

First recorded in 1955–60; by shortening

SEC

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.
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sec.

Origin of sec.

From the Latin word secundum

sec−1

  1. Symbol, Trigonometry. arc secant.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for sec

sec1

adjective
  1. (of wines) dry
  2. (of champagne) of medium sweetness
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Word Origin

C19: from French, from Latin siccus

sec2

noun
  1. informal short for second 2 wait a sec
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sec3

abbreviation for
  1. secant
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SEC

abbreviation for
  1. Securities and Exchange Commission
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sec.

abbreviation for
  1. second (of time)
  2. secondary
  3. secretary
  4. section
  5. sector
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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

Word Origin and History for sec

n.

1956, conversational shortening of second (n.).

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adj.

of wine, "dry," French sec (10c.), from Latin siccus "dry" (also source of Italian secco); see siccative.

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Online Etymology Dictionary, © 2010 Douglas Harper

sec in Science

sec

  1. Abbreviation of secant
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.