Adjt. Adjutant;—Adjt.-gen., Adjutant-general.
ad lib., ad libitum=At pleasure.
ad loc., ad locum=At the place.
Adm. Admiral.
Adolph. Adolphus.
Adv. Advent; Advocate.
adv. Adverb; adversus=Against.
ad val., ad valorem=According to value.
advt. Advertisement.
æ., æt., ætatis=Aged (so many years).