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BNC: 4324 COCA: 1748

ad

ad /ˈæd/ noun
plural ads
ad
/ˈæd/
noun
plural ads
Learner's definition of AD
[count]
: advertisement
see also want ad

AD

AD abbreviation
or chiefly US A.D.
AD
abbreviation
or chiefly US A.D.
Learner's definition of AD
used to refer to the years since the birth of Christ公元(耶稣基督诞生后的年份)
A.D. stands for the Latin phrase anno Domini, which means “in the year of the Lord.”*AD.源自拉丁语anno Domini,意为“主的诞生年”。
compare b.c., b.c.e., c.e.
BNC: 4324 COCA: 1748

ad

1 of 7

noun (1)

often attributive
1
: advertisement sense 1
newspapers ads
TV ads for new cars
2
: advertising
an ad agency

ad

2 of 7

noun (2)

AD

3 of 7

abbreviation (1)

1
active duty
2
after date
3
4
Alzheimer's disease
5
anno Domini
often printed in small capitals and often punctuated
6
assembly district
7
assistant director
8
athletic director
9
right ear
used especially in audiology and in writing medical prescriptions

A/D

4 of 7

abbreviation (2)

analog/digital

ad-

5 of 7

prefix

variants or ac- or af- or ag- or al- or ap- or as- or at-
1
: to : toward
usually ac- before c, k, or q
acculturation
and af- before f
affluent
and ag- before g
aggradation
and al- before l
alliteration
and ap- before p
apportion
and as- before s
assuasive
and at- before t
attune
and ad- before other sounds but sometimes ad- even before one of the listed consonants
adsorb
2
: near : adjacent to
in this sense always in the form ad-
adrenal

-ad

6 of 7

adverb suffix

: in the direction of : toward
cephalad

-ad

7 of 7

noun suffix

: member of a botanical group
bromeliad

Word History

Etymology

Noun (1)

by shortening

Noun (2)

by shortening

Prefix

borrowed from Latin, prefix forming verbs and verbal derivatives, marking movement toward, tendency, addition, from ad, preposition, "to, as far as, at, near, in accordance with" — more at at entry 1

Adverb suffix

borrowed from Latin ad "to, toward" — more at at entry 1

Noun suffix

borrowed from New Latin -ad-, -as, borrowed from Greek -ad-, -as, feminine noun suffix denoting descent from or connection with

First Known Use

Noun (1)

1799, in the meaning defined at sense 1

Noun (2)

1915, in the meaning defined above

Time Traveler
The first known use of ad was in 1799
BNC: 4324 COCA: 1748
ad

noun

(informal) ADJECTIVE | VERB + AD | AD + VERB | AD + NOUN | PREPOSITION ADJECTIVEdisplay, full-page陳列式廣告;整版廣告classified, small, want (NAmE) (報刊)分類廣告They put classified ads in local papers.他們在當地報紙上刊登了分類廣告。You can put your own small ads in local papers.你可以在當地報紙上刊登分類廣告。magazine, newspaper, print, radio, television, TV雜誌廣告;報紙廣告;平面廣告;電台廣告;電視廣告banner, button, online, pop-up橫幅/按鈕式/在線/彈出式廣告campaign (especially NAmE) 競選廣告cereal, detergent, job, etc.麥片、洗滌劑、招聘等廣告VERB + ADplace, put, take out做廣告;刊登廣告She took out a full-page ad in a women's magazine.她在一本女性雜誌上刊登了一整版廣告。air, publish, run, show在電台登廣告;登廣告;刊登廣告;展示廣告post張貼廣告pull撤回廣告answer, reply to, respond to回復廣告;回應廣告AD + VERBappear廣告出現The ad appeared on all major channels.這一廣告出現在各大頻道中。say sth, show sth廣告說⋯;廣告顯示⋯feature sb/sth廣告以⋯為特色AD + NOUNcampaign廣告宣傳活動agency廣告公司exec, executive廣告主管revenue廣告收入PREPOSITIONin an/the ad在廣告中A lot of claims are made in the ad.這個廣告作了許多承諾。ad for⋯的廣告TV ads for cars汽車電視廣告

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