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sec

1  [sek]
Use sec in a Sentence
–adjective
(of wines) dry; not sweet.
Origin:
1885–90; < F; see sack 3
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sec

2  [sek]
–noun Informal.
second 2 (def. 2).
Origin:
1955–60; by shortening

SEC

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

sec

 
1. secant.
2. second.
3. section.

sec−1

 
Symbol, Trigonometry. arc secant.

sec.

 
1. second.
2. secondary.
3. secretary.
4. section.
5. sector.
6. according to.
Origin:
< L secundum

se⋅cant

  [see-kant, -kuhnt]
–noun
1. Geometry. an intersecting line, esp. one intersecting a curve at two or more points.
2. Trigonometry.
a. (in a right triangle) the ratio of the hypotenuse to the side adjacent to a given angle.
b. (originally) a line from the center of a circle through one extremity of an arc to the tangent from the other extremity.
c. the ratio of the length of this line to that of the radius of the circle; the reciprocal of the cosine of a given angle or arc. Abbreviation: sec
–adjective
3. cutting or intersecting, as one line or surface in relation to another.
Origin:
1585–95; < L secant- (s. of secāns, prp. of secāre to cut), equiv. to sec- verb s. (see saw 1 ) + -ant- -ant

Related forms:
se⋅cant⋅ly, adverb

sec⋅ond

2  [sek-uhnd]
–noun
1. the sixtieth part of a minute of time.
2. a moment or instant: It takes only a second to phone.
3. the basic unit of time in the International System of Units, equal to the duration of 9,192,631,770 cycles of radiation in a transition, or energy level change, of the cesium atom. Symbol: s, S; Abbreviation: sec
4. Geometry, Astronomy. the sixtieth part of a minute of angular measure, often represented by the sign ″, as in 30″, which is read as 30 seconds. Compare angle 1 (def. 1c).
Origin:
1350–1400; ME seconde < MF < ML secunda (minūta) second (minute), fem. of secundus second 1

Synonyms:
2. jiffy, trice, wink, flash.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
Cite This Source Link To sec
sec 1   (sěk)   
adj.  Dry. Used of wines, especially champagne.

[French, from Old French, from Latin siccus.]
sec 2  
abbr.  secant
SEC  
abbr.  Securities and Exchange Commission
se·cant   (sē'kānt', -kənt)   


(click for larger image in new window)
n.   Abbr. sec

    1. A straight line intersecting a curve at two or more points.

    2. The straight line drawn from the center through one end of a circular arc and intersecting the tangent to the other end of the arc.

    3. The ratio of the length of this line to the length of the radius of the circle.

  2. The reciprocal of the cosine of an angle in a right triangle.


[From Latin secāns, secant-, present participle of secāre, to cut; see sek- in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Slang Dictionary
sec [sɛk]

  1. n.
    a second; an instant. (See also tick.) : I'll be with you in a sec. Keep your pants on!
  2. n.
    and secs. a Seconal barbiturate capsule. (Drugs.) : I started taking sec in the hospital and just couldn't stop.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw Hill.
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Word Origin & History

secant 
1593, from L. secantem (nom. secans) "cutting," prp. of secare "to cut" (see section). First used by Dan. mathematician Thomas Fincke in Geometria Rotundi (1583).

second  (v.)
"to further, to support," 1586, "to support or represent in a duel, fight, etc.," from M.Fr. seconder, from L. secundare "to assist, make favorable," from secundus "assisting, favorable, following, second" (see second (adj.)). the noun in this sense is first recorded 1590. The verb in the parliamentary sense is first recorded 1597.
Online Etymology Dictionary, © 2001 Douglas Harper
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Financial Dictionary

SEC

See Securities and Exchange Commission.

Wall Street Words: An A to Z Guide to Investment Terms by David L. Scott.
Copyright © 2003. Published by Houghton Mifflin.
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Legal Dictionary

Main Entry: SEC
Function: abbreviation
Securities and Exchange Commission —see also the IMPORTANT AGENCIES section
Merriam-Webster's Dictionary of Law, © 1996 Merriam-Webster, Inc.
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Medical Dictionary

second sec·ond2 (sěk'ənd)
adj.

  1. Coming next after the first in order, place, rank, time, or quality.

  2. Being the next closest to the innermost digit, especially on the foot.

sec'ond n.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source
Science Dictionary
sec  
Abbreviation of secant
secant   (sē'kānt')  Pronunciation Key 

  1. A straight line or ray that intersects a curve, especially a circle, at two or more points.

  2. The ratio of the length of the hypotenuse in a right triangle to the side adjacent to an acute angle. The secant is the inverse of the cosine.

  3. The reciprocal of the abscissa of the endpoint of an arc of a unit circle centered at the origin of a Cartesian coordinate system, the arc being of length x and measured counterclockwise from the point (1, 0) if x is positive or clockwise if x is negative.

  4. A function of a number x, equal to the secant of an angle whose measure in radians is equal to x.


second   (sěk'ənd)  Pronunciation Key 

  1. A unit of time equal to 1/60 of a minute. ◇ A sidereal second is 1/60 of a sidereal minute, and a mean solar second is 1/60 of a mean solar minute. See more at sidereal time, solar time.

  2. A unit of angular measurement, such as longitude or right ascension, equal to 1/60 of a minute of arc.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Computing Dictionary

SEC
Single Edge Contact Cartridge

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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Abbreviations & Acronyms
sec

  1. secant

  2. second

  3. secretary

SEC

  1. Securities and Exchange Commission

  2. security deposit

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
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