CE

SMART Vocabulary: related words and phrases

Years & yearly
academic year
Anno Domini
annual
annually
annus horribilis
calendar year
CE
centenary
church year
circa
interannual
Julian calendar
leap year
liturgical year
millennial
year end
year's end
year-around
year-round
yearly
AD
noun[ U ]

ADnoun[U] (BRAIN DISEASE)

medical specialized
abbreviation for Alzheimer's Disease阿耳茨海默氏病，早老性痴呆病（Alzheimer's的缩写）

SMART Vocabulary: related words and phrases

Mental illnesses
adjustment disorder
age-associated memory impairment
anhedonia
anorectic
anorexia
exhibitionistically
false memory
firebug
generalized anxiety disorder
health anxiety
manic depression
melancholia
mental handicap
neurotic
postpartum depression
postpartum psychosis
PPD
progressive simultanagnosia
psychopathy
schizophrenic

ad | American Dictionary

ad
noun[ C ]
us/æd/
short form ofadvertisement
A.D.
abbreviation for Anno Domini (= in the year of the Lord), used to show that a year is after the year in which Jesus Christ is thought to have been born:
the 12th century A.D.
The Roman empire ended in A.D. 476.

Note:

A.D. usually appears before the year and after a century.

ad | Business English

ad
noun[ C ]
 MARKETINGuk /æd/us
an advertisement:
an ad for sthHe appeared in an ad for fizzy drinks.
take out/place an adThey took out a full-page ad in the newspaper.
The company has been running ads on Spanish-language TV network Telemundo.
newspaper/television/internet ads
See also

banner ad

button ad

classified ad

display ad

small ad

teaser ad

want ad
ad
adjective[ only before noun ]
uk /æd/us
advertising:
Who created the concept for the ad campaign?
ad executives
ad revenue/spending/budget