Definition of Ad

1. Noun. A public promotion of some product or service.


2. Adverb. In the Christian era; used before dates after the supposed year Christ was born. "In AD 200"
Exact synonyms: A.d., Anno Domini

Definition of Ad

1. Initialism. Latin ''anno Domini'', in the year of our Lord, used to specify numbered years counting from the once estimated birth of Christ in year 1. Usually placed before years (but see notes), and always placed after centuries. Often written in small caps. This year is AD (CURRENTYEAR). ¹

2. Initialism. assistant director. ¹

3. Initialism. (military) air defence or air defense ¹

4. Initialism. antidepressant ¹

5. Initialism. (US Navy) Auxiliary Destroyer - a naval tender, a destroyer tender that tends to destroyers ¹

6. Noun. (informal) Short form of advertisement. ¹

7. Noun. (tennis) advantage ¹

8. Preposition. to, toward ¹

¹ Source: wiktionary.com

Definition of Ad

1. an advertisement [n -S] - See also: advertisement

Medical Definition of Ad

1. Prefix denoting increase, adherence, to, toward; near; very. In anatomical nomenclature, -ward; toward or in the direction of the part indicated by the main portion of the word. Origin: L. Ad, to, toward. (05 Mar 2000)

Ad Pictures

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Lexicographical Neighbors of Ad

acylphosphatidylethanolamine
acylphosphatidylethanolamines
acylpiperidines
acylpyridine
acylpyridines
acylpyrrole
acylpyrroles
acyls
acylsilane
acylsilanes
acyltransferase
acyltransferases
acyrologia
acyrology
ad-
ad-banner
ad-hoc
ad-hoc polymorphism
ad-hoc polymorphisms
ad-hocism
ad-hockery
ad-lib
ad-libbed
ad-libber
ad-libbing
ad-libs
ad-man
ad-men

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