aortic orifice
— Noun
– English
～ the orifice from the lower left chamber of the heart to the aorta
American oriole
— Noun
– English
～ American songbird; male is black and orange or yellow
Alpha Orionis
— Noun
– English
～ the second brightest star in Orion
architectural ornament
— Noun
– English
～ (architecture) something added to a building to improve its appearance
Armenian Apostolic Orthodox Church
— Noun
– English
～ an independent Christian church established in Armenia since 300; was influenced by both Roman and Byzantine traditions
auditory ossicle
— Noun
– English
～ ossicles of the middle ear that transmit acoustic vibrations from the eardrum to the inner ear
Asio otus
— Noun
– English
～ slender European owl of coniferous forests with long ear tufts
apothecaries' ounce
— Noun
– English
～ a unit of apothecary weight equal to 480 grains or one twelfth of a troy pound
air out
— Verb
– English
～ expose to fresh air; "aerate your old sneakers"
air out
— Verb
– English
～ expose to cool or cold air so as to cool or freshen; "air the old winter clothes"; "air out the smoke-filled rooms"
act out
— Verb
– English
～ represent an incident, state, or emotion by action, especially on stage; "She could act neurotic anxiety"
act out
— Verb
– English
～ act out; represent or perform as if in a play; "She reenacted what had happened earlier that day"
ask out
— Verb
– English
～ make a date; "Has he asked you out yet?" "He asekd me to a dance"
all-out
— Adjective
– English
～ using all available resources; "all-out war"; "a full-scale campaign against nuclear power plants"
all get out
— Noun
– English
～ an unimaginably large amount; "British say `it rained like billyo' where Americans say `it rained like all get out'"
acting out
— Noun
– English
～ a (usually irritating) impulsive and uncontrollable outburst by a problem child or a neurotic adult
acting out
— Noun
– English
～ (psychiatry) the display of previously inhibited emotions (often in actions rather than words); considered to be healthy and therapeutic