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   Initialism of Anno Domini (borrowed from Latin); in the year of our Lord.abbreviationalt-ofinitialism

   • They had a vibrant culture from the 3rd century BC to the 2nd century AD.
   • Today is 23 October AD 2026.

ant. AC · A.C. · b.c. · BC · B.C. · BCE

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   Initialism of assistant director.abbreviationalt-ofcountable

   • A few moments later, the A.D. reappears. "They need you," she says. "And could you stop by Wardrobe?" Shannen rolls her eyes. "O.K.!" she snaps.
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   Initialism of air defence or air defense.abbreviationalt-ofcountable

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   Initialism of antidepressant.abbreviationalt-ofcountable

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   Initialism of auxiliary destroyer (a naval tender, a destroyer tender that tends to destroyers).NavyUSabbreviation

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   Initialism of Alzheimer's disease.abbreviationalt-ofinitialism

   • Many neurodegenerative diseases, including Alzheimer's disease (AD), involve pathological protein deposits.
   • What the person with AD chooses to enunciate, ‘may capture something important in the way the person makes sense of his or her life and also make meaning-based connections’ (Hydén and Örulv 2009: 206).
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   Initialism of atopic dermatitis.abbreviationalt-ofcountable

7. 7

   Initialism of airworthiness directive.abbreviationalt-ofcountable

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   Abbreviation of audio description.abbreviationalt-ofcountable

9. 9

   Initialism of after dark.Internetabbreviationalt-of

   • AD account

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   Initialism of antidumping.abbreviationalt-ofinitialism

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   Initialism of Abu Dhabi.abbreviationalt-ofinitialism

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   Clipping of advertisement.abbreviationalt-ofclipping

   • I have placed both of the ads in the newspaper as instructed.
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   Clipping of advertising.abbreviationalt-ofclipping

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   Clipping of advertiser.abbreviationalt-ofclipping

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   Advantage; also, designating the left-hand side, from the player's point of view, of their half of the court, where the advantage point following a deuce is always played.

   • [S]uddenly Agassi hits a hard heavy cross-court back hand that pulls Federer way out to his ad (= his left) side, and Federer gets to it but slices the stretch backhand short, a couple feet past the service line […].
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   Advantage

   • ads and disads

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   to, toward