x

I

[[t]ɛks[/t]]

v. t. x-ed x'd [[t]ɛkst[/t]] x-ingx'ing [[t]ˈɛk sɪŋ[/t]]

1) to cross out or mark with an x (often fol. by out):

to x out an error[/ex]

2) to indicate choice, as on a ballot or examination (often fol. by in):

to x in the candidate of your choice[/ex]

•

Etymology: 1840–50 II

symb.

1) an unknown quantity or a variable

2) (used at the end of letters, telegrams, etc., to indicate a kiss.)

3) (used to indicate multiplication) times:

8 x 8 = 64[/ex]

4) (used between figures indicating dimensions) by: 3〃x 4〃 (read: “three inches by four inches”)

5) power of magnification:

a 50x telescope[/ex]

6) (used as a signature by an illiterate person.)

7) cross

8) (used to indicate a particular place or point on a map or diagram.)

9) (used to indicate choice, as on a ballot or examination.)

10) (used to indicate an error or incorrect answer, as on a test.)

11) a person or thing of unknown identity

III

1) ex I, 1)

2) experimental

3) extra