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sec

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

sec1

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

Origin of sec1

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

sec2

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

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.

sec.

  1. second.
  2. secondary.
  3. secretary.
  4. section.
  5. sector.
  6. according to.

Origin of sec.

From the Latin word secundum

sec−1

  1. Symbol, Trigonometry. arc secant.
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

Word Origin

C19: from French, from Latin siccus

sec2

noun
  1. informal short for second 2 wait a sec

sec3

abbreviation for
  1. secant

SEC

abbreviation for
  1. Securities and Exchange Commission

sec.

abbreviation for
  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

Word Origin and History for sec

n.

1956, conversational shortening of second (n.).

adj.

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

Online Etymology Dictionary, © 2010 Douglas Harper

sec in Science

sec

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