from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The 24th letter of the modern English alphabet.
- n. Any of the speech sounds represented by the letter x.
- n. The 24th in a series.
- n. Something shaped like the letter X.
- n. A mark inscribed to represent the signature of one who is unable to sign one's name.
- n. An unknown or unnamed factor, thing, or person.
- transitive v. To mark or sign with an X.
- transitive v. To delete, cancel, or obliterate with a series of X's. Often used with out.
- The symbol for abscissa.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The twenty-fourth letter of the basic modern Latin alphabet.
- n. voiceless velar fricative.
- n. An unknown variable.
- n. The first coordinate in Cartesian coordinates, representing horizontal position.
- n. A kiss at the end of a letter, or similar missive.
- n. The twenty-fourth letter of the English alphabet, called ex and written in the Latin script.
from the GNU version of the Collaborative International Dictionary of English
- X, the twenty-fourth letter of the English alphabet, has three sounds; a compound nonvocal sound (that of ks), as in wax; a compound vocal sound (that of gz), as in example; and, at the beginning of a word, a simple vocal sound (that of z), as in xanthic. See Guide to Pronunciation, §§ 217, 270, 271.
from The Century Dictionary and Cyclopedia
- The chemical symbol of xenon.
- In electricity, the symbol for reactance in alternating-current circuits.
- In wireless telegraphy, a local disturbance causing a false signal; a stray.
- The twenty-fourth letter and nineteenth consonant-sign in the English alphabet.
- As a numeral, X stands for ten.
- As an abbreviation, X. stands for Christ, as in Xn. (Christian), Xmas. (Christmas).
- As a symbol: In ornithology, in myological formulas, the symbol of the semitendinosus muscle.
- In mathematics:
- [lowercase] In algebra, the first of the unknown quantities or variables.
- [l. c] In analytical geometry, an abscissa or other rectilinear point-coördinate.
- In mechanics, the component of a force in the direction of the axis of x.
- Originally, a mark on brewers' casks; hence, a name given to ale of a certain quality. Compare XX, XXX.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the cardinal number that is the sum of nine and one; the base of the decimal system
- n. street names for methylenedioxymethamphetamine
- adj. being one more than nine
- n. the 24th letter of the Roman alphabet
Sorry, no etymologies found.