a reduced form of the Old English preposition meaning
Aberdeen Proving Ground
n
a federal reservation and U.S. Army training center in NE Maryland, S of Aberdeen and on W Chesapeake Bay, that is the site of a military testing ground.
aboard
adv.
on board; on, in, or into a ship, train, airplane, bus, etc.
above
adv.
in, at, or to a higher place.
abug
deworm son
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aben
john
ABD
all but dissertation: applied to a person who has completed all requirements for a doctoral degree except for the writing of a dissertation.
abject
a
utterly hopeless, miserable, humiliating, or wretched