Dictionary.com



x

x


X 3  
abbr.  

  1. Christ (Greek Χριστoς, Christos)

  2. Christian

  3. or x experimental

  4. extra

X 2  

  1. The symbol for reactance.

  2. also x The symbol for the Roman numeral 10.

X 1    Audio Help   (ěks)   
n.   A movie rating indicating that admission will not be granted to anyone under the age of 17.
x 2  
The symbol for abscissa.
x 1 or X    Audio Help   (ěks)   
n.   pl. x's or X's also xs or Xs

  1. The 24th letter of the modern English alphabet.

  2. Any of the speech sounds represented by the letter x.

  3. The 24th in a series.

  4. Something shaped like the letter X.

  5. A mark inscribed to represent the signature of one who is unable to sign one's name.

  6. An unknown or unnamed factor, thing, or person.

tr.v.   x'd or X'd, x'ing or X'ing, x's or X's

  1. To mark or sign with an X.

  2. To delete, cancel, or obliterate with a series of X's. Often used with out.

re·ac·tance     (rē-āk'təns)   
n.   Symbol X Electricity
Opposition to the flow of alternating current caused by the inductance and capacitance in a circuit rather than by resistance.
ab·scis·sa     (āb-sĭs'ə)   

n.   Symbol x2 pl. ab·scis·sas or ab·scis·sae (-sĭs'ē)
The coordinate representing the position of a point along a line perpendicular to the y-axis in a plane Cartesian coordinate system.

[New Latin (līnea) abscissa, (line) cut off, from Latin abscissa, feminine of abscissus, past participle of abscindere, to abscise; see abscise.]
(Download Now or Buy the Book)
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2000 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.