ad.

Apocope and other processes of abbreviation.

• (Received Pronunciation) enPR: ăd, IPA^(key): /æd/
• ; or as the full form of the word denoted

ad. (plural ads. or ad.'s)

1. Abbreviation of adaptation.
2. Abbreviation of adapter.
3. (grammar, also spelt adv(.)) Abbreviation of adverb.
4. (also spelt ad) Abbreviation of advertisement.

ad. (indeclinable, past form, or imperative)

1. Abbreviation of adapt.
2. Abbreviation of adapted.
3. (imperative, medicine, in prescriptions, also spelt add.) Abbreviation of addantur.
4. (imperative, medicine, in prescriptions, also spelt add.) Abbreviation of adde.

• The New Penguin Dictionary of Abbreviations: from A to zz, Rosalind Fergusson. (Penguin Books, 2000), page 12

• D. A., D.A., DA, Da, da

ad.

1. Abbreviation of a další: etc.

• aj.
• apod.
• atd.
• atp.