aaron burr

United States politician who served as vice president under Jefferson; he mortally wounded his political rival Alexander Hamilton in a duel and fled south (1756-1836) ;

aaron copland

United States composer who developed a distinctly American music (1900-1990) ;

aaron montgomery ward

United States businessman who in 1872 established a successful mail-order business (1843-1913) ;

aarp

an association of people to promote the welfare of senior citizens ;

aas

an associate degree in applied science ;

ab

the blood group whose red cells carry both the A and B antigens ; the muscles of the abdomen ; a bachelor's degree in arts and sciences ; the eleventh month of the civil year; the fifth month of the ecclesiastical year in the Jewish calendar (in July and August) ;

aba

a fabric woven from goat hair and camel hair ; a loose sleeveless outer garment made from aba cloth; worn by Arabs ;

aba cloth

a fabric woven from goat hair and camel hair ;

aba transit number

an identification number consisting of a two-part code assigned to banks and savings associations; the first part shows the location and the second identifies the bank itself ;

abaca

Philippine banana tree having leafstalks that yield Manila hemp used for rope and paper etc ; a kind of hemp obtained from the abaca plant in the Philippines ;

abacus

a calculator that performs arithmetic functions by manually sliding counters on rods or in grooves ; a tablet placed horizontally on top of the capital of a column as an aid in supporting the architrave ;

abadan

a port city in southwestern Iran ;

abalone

any of various large edible marine gastropods of the genus Haliotis having an ear-shaped shell with pearly interior ;

abamp

a unit of current equal to 10 amperes ;

abampere

a unit of current equal to 10 amperes ;

abandon

the trait of lacking restraint or control; reckless freedom from inhibition or worry; "she danced with abandon" ; a feeling of extreme emotional intensity; "the wildness of his anger" ;

abandoned infant

a child who has been abandoned and whose parents are unknown ;

abandoned person

someone for whom hope has been abandoned ;

abandoned ship

a ship abandoned on the high seas ;

abandonment

withdrawing support or help despite allegiance or responsibility; "his abandonment of his wife and children left them penniless" ; the voluntary surrender of property (or a right to property) without attempting to reclaim it or give it away ; the act of giving something up ;

abarticulation

dislocation of a joint ;

abasement

depriving one of self-esteem ; a low or downcast state; "each confession brought her into an attitude of abasement"- H.L.Menchken ;

abashment

feeling embarrassed due to modesty ;

abasia

inability to walk ;

abasia trepidans

abasia due to trembling of the legs ;

abatable nuisance

a nuisance that can remedied (suppressed or extinguished or rendered harmless); "the continued existence of an abatable nuisance is not authorized under the law" ;

abatement

the act of abating; "laws enforcing noise abatement" ; an interruption in the intensity or amount of something ;

abatement of a nuisance

(law) the removal or termination or destruction of something that has been found to be a nuisance ;

abatis

line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) toward the enemy ;

abator

a person who abates a nuisance ;

abattis

line of defense consisting of a barrier of felled or live trees with branches (sharpened or with barbed wire entwined) toward the enemy ;

abattoir

a building where animals are butchered ;

abaya

(Arabic) a loose black robe from head to toe; traditionally worn by Muslim women ;

abb

an urban hit squad and guerrilla group of the Communist Party in the Philippines; formed in the 1980s ;

abbacy

the jurisdiction or office of an abbot ;

abbe

a French abbot ;

abbe condenser

a condenser having 2 or 3 lenses with wide aperture for use in microscopes ;

abbess

the superior of a group of nuns ;

abbey

a monastery ruled by an abbot ; a convent ruled by an abbess ; a church associated with a monastery or convent ;

abbot

the superior of an abbey of monks ;