2. Abbreviations used in Prescriptions:—

A. aa., ana (Greek), of each. Equally by weight or measure.

Abdom., abdomen, the abdomen, the belly.

Abs. febr., absente febre, fever being absent.

Ad 2 vic., ad secundum vicem, to the second time; or ad duas vices, for two times.

Ad gr. acid., ad gratam aciditatem, to an agreeable acidity.

Ad def. animi, ad defectionem animi, to fainting.

Ad del. an., ad deliquium animi, to fainting.

Ad libit., ad libitum, at pleasure.

Add., adde, or addantur, add, or let them be added; addendus, to be added.