Archean eon
— Noun
– English
~ the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Archeozoic eon
— Noun
– English
~ the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
Artemision at Ephesus
— Noun
– English
~ the large temple of the Greek goddess Artemis which was begun at Ephesus in 541 BC and completed 220 years later; the temple was destroyed by the Goths in 262
Anomia ephippium
— Noun
– English
~ thin-shelled bivalve having the right valve deeply notched
arteria epigastrica
— Noun
– English
~ one of three arteries supplying the anterior walls of the abdomen
akinetic epilepsy
— Noun
– English
~ epilepsy characterized by akinesia
acid-base equilibrium
— Noun
– English
~ (physiology) the normal equilibrium between acids and alkalis in the body; "with a normal acid-base balance in the body the blood is slightly alkaline"
autumnal equinox
— Noun
– English
~ (astronomy) the equinoctial point that lies in the constellation of Virgo
auxiliary equipment
— Noun
– English
~ electronic equipment not in direct communication (or under the control of) the central processing unit
Aster ericoides
— Noun
– English
~ common much-branched North American perennial with heathlike foliage and small starry white flowers
algorithm error
— Noun
– English
~ error resulting from the choice of the wrong algorithm or method for achieving the intended result
Ardisia escallonoides
— Noun
– English
~ tropical American shrub or small tree with brown wood and dark berries
Abelmoschus esculentus
— Noun
– English
~ tall coarse annual of Old World tropics widely cultivated in southern United States and West Indies for its long mucilaginous green pods used as basis for soups and stews; sometimes placed in genus Hibiscus
arteria ethmoidalis
— Noun
– English
~ a branch of the ophthalmic artery supplying structures in and around the nasal capsule
Antidorcas euchore
— Noun
– English
~ a South African gazelle noted for springing lightly into the air
Agrimonia eupatoria
— Noun
– English
~ erect perennial Old World herb of dry grassy habitats