x
9 ENTRIES FOUND:
1
x
noun
1
x
noun
Britannica Dictionary definition of X
1
:
the 24th letter of the English alphabet
[count]
-
a word that starts with an x
[noncount]
-
a word that starts with x
2
[count]
:
the Roman numeral that means 10
3
[noncount]
mathematics
a
— used to represent an unknown quantity
-
What is the value of x in the equation x - 4 = 3?
b
— used as a symbol for multiplication
-
2 x 3 = 6 [=2 times 3 equals 6; 2 multiplied by 3 is 6]
4
[noncount]
— used as a symbol between the numbers of a measurement
-
The room is 10' x 12'. [=10 feet by 12 feet; two of the room's walls are 10 feet long and two walls are 12 feet long]
5
[noncount]
:
an unknown thing, person, or quantity
-
Mr. and Mrs. X
-
x number of students/people
6
[noncount]
— used in the phrase x, y, and z to refer to the first thing in a group of three unnamed things
-
I hate being told that losing weight is as easy as doing x, y, and z.
7
[count]
— used as a mark at the end of a letter, an e-mail, etc., to represent a kiss
8
[count]
— used like a signature by a person who cannot write
9
[count]
— used on a map or picture to show where someone or something is
-
Look at this map. X shows where we are now.
-
The location of the treasure was marked with an x.
-
X marks the spot.
10
[count]
— used as a mark to show who or what you are voting for or choosing
2
x
/ˈɛks/
verb
2
x
/ˈɛks/
verb
Britannica Dictionary definition of X
x out
[phrasal verb]
x (something) out
or
x out (something)
:
to draw an x or a series of x's through (something) to show that it is wrong or not wanted
-
x out a mistake
-
One line of the text had been x-ed out. [=crossed out]
