X
Longman Dictionary of Contemporary English 5++LDOCE 5++X1, x /eks/ (plural X’s, x’s) noun 1. letter 字母 [countable, uncountable]SLA the 24th letter of the English alphabet 英语字母表的第二十四个字母2. HMNnumber 数字 [countable] the number 10 in the system of roman numerals 〔罗马数字〕103 mathematics 数学 [uncountable] technicalHM a letter used in mathematics to represent an unknown quantity or value 〔数学中的〕未知数[量] if 3x = 6, x = 2 若 3x=6，则 x=24. on school work 在作业里SEWRONG/INCORRECT [countable] a mark used on school work to show that a written answer is not correct 叉号 〔表示书面答案错误的符号〕5. when voting 投票时PPVCHOOSE [countable] a mark used to show that you have chosen something on an official piece of paper, for example when voting 叉号〔表示选中的符号，如用于投票时〕6 on a letter 在信中TCMKISS [countable] a mark used to show a kiss, especially at the end of a letter 〔表示亲吻的符号，尤用于信末〕 Love, Cindy XXX 爱你的辛迪，吻你7. film 电影 [singular, uncountable]AMF used in the past to describe a film that was officially approved as only suitable for people over 18 X 级〔过去使用的电影级别，表示未满18岁者不宜观看〕 SYN 18 → X-rated8 NAME OF A PERSONunknown/secret name 未知的/保密的姓名SECRET [uncountable] a letter used instead of someone’s or something’s real name because you want to keep it secret or you do not know it 〔用以代替不宜公开或不知其名的人或事物的名称〕 At the trial, Ms X said that she had known the defendant for three years. 在审判中，X 女士说她认识被告已有三年。9. when signing your name 签名时SIGN YOUR NAME [countable] a mark used instead of a signature by someone who cannot write 〔不会写字的人用以代替签名的〕X 记号，画押10. X number of people/things AMOUNTused to say that there are a number of people or things when the exact number is not important 若干个人/物〔用于说明有一些人或物，而准确的数字并不重要〕11. X marks the spot SHOW/LET somebody SEE somethingused on maps in adventure stories to show that something is buried in a particular place X 标示该地点〔用于探险故事的地图上，指某物埋在某地〕
Examples from the Corpus
X• Love, Cindy XXOXX• Suppose Mrs. X wants to make a donation. How can she be sure how her money will be used?• If 3x=6, then x=2.X2 verb 1.X something ↔ out phrasal verb American EnglishREMOVE to mark or remove a mistake in a piece of writing using an X 〔在文章中〕用X符号标出[删去]〔错误〕 SYN cross outletter of the English Corpus alphabet 24th the
X
X1 
, x /eks/ (plural X’s, x’s) noun
1. LETTER [uncountable and countable] the 24th letter of the English alphabet
2. NUMBER [countable] the number 10 in the system of roman numerals
3. MATHEMATICS [uncountable] technical a letter used in mathematics to represent an unknown quantity or value:
if 3x = 6, x = 2
4. ON SCHOOL WORK [countable] a mark used on school work to show that a written answer is not correct
5. WHEN VOTING [countable] a mark used to show that you have chosen something on an official piece of paper, for example when voting
6. ON A LETTER [countable] a mark used to show a kiss, especially at the end of a letter:
Love, Cindy XXX
7. FILM [singular, uncountable] used in the past to describe a film that was officially approved as only suitable for people over 18
SYN 18 ⇨ X-rated
8. UNKNOWN/SECRET NAME [uncountable] a letter used instead of someone’s or something’s real name because you want to keep it secret or you do not know it:
At the trial, Ms X said that she had known the defendant for three years.
9. WHEN SIGNING YOUR NAME [countable] a mark used instead of a signature by someone who cannot write
10. X number of people/things used to say that there are a number of people or things when the exact number is not important
11. X marks the spot used on maps in adventure stories to show that something is buried in a particular place
X2 verb
X something ↔ out phrasal verb
American English to mark or remove a mistake in a piece of writing using an X
SYN cross out
| I |
, x /eks/ (plural X’s, x’s) noun1. LETTER [uncountable and countable] the 24th letter of the English alphabet
2. NUMBER [countable] the number 10 in the system of roman numerals
3. MATHEMATICS [uncountable] technical a letter used in mathematics to represent an unknown quantity or value:
4. ON SCHOOL WORK [countable] a mark used on school work to show that a written answer is not correct
5. WHEN VOTING [countable] a mark used to show that you have chosen something on an official piece of paper, for example when voting
6. ON A LETTER [countable] a mark used to show a kiss, especially at the end of a letter:
7. FILM [singular, uncountable] used in the past to describe a film that was officially approved as only suitable for people over 18
SYN 18 ⇨ X-rated
8. UNKNOWN/SECRET NAME [uncountable] a letter used instead of someone’s or something’s real name because you want to keep it secret or you do not know it:
9. WHEN SIGNING YOUR NAME [countable] a mark used instead of a signature by someone who cannot write
10. X number of people/things used to say that there are a number of people or things when the exact number is not important
11. X marks the spot used on maps in adventure stories to show that something is buried in a particular place
| II |
verbX something ↔ out phrasal verb
American English to mark or remove a mistake in a piece of writing using an X
SYN cross out