e

the 5th letter of the Roman alphabet ; the base of the natural system of logarithms; approximately equal to 2.718282... ; the cardinal compass point that is at 90 degrees ; a radioactive transuranic element produced by bombarding plutonium with neutrons ; a fat-soluble vitamin that is essential for normal reproduction; an important antioxidant that neutralizes free radicals in the body ;

e-bomb

a bomb that explodes in midair and releases a massive burst of electromagnetic energy sufficient to disable computers and telecommunications without killing people or damaging buildings ;

e-commerce

commerce conducted electronically (as on the internet) ;

e-mail

(computer science) a system of world-wide electronic communication in which a computer user can compose a message at one terminal that is generated at the recipient's terminal when he logs in ;

e-mycin

an antibiotic (trade name Erythrocin or E-Mycin or Ethril or Ilosone or Pediamycin) obtained from the actinomycete Streptomyces erythreus; effective against many Gram-positive bacteria and some Gram-negative ;

e. a. von willebrand

Finnish physician who first described vascular hemophilia (1870-1949) ;

e. b. white

United States writer noted for his humorous essays (1899-1985) ;

e. coli

a species of bacterium normally present in intestinal tract of humans and other animals; sometimes pathogenic; can be a threat to food safety ;

e. e. cummings

United States writer noted for his typographically eccentric poetry (1894-1962) ;

e. g. marshall

United States actor (1914-1998) ;

e. h. harriman

United States railway tycoon (1848-1909) ;

e. h. weber

German physiologist who studied sensory responses to stimuli and is considered the father of psychophysics (1795-1878) ;

e. l. doctorow

United States novelist (born in 1931) ;

e. o. lawrence

United States physicist who developed the cyclotron (1901-1958) ;

e. o. wilson

United States entomologist who has generalized from social insects to other animals including humans (born in 1929) ;

e. t. a. hoffmann

German writer of fantastic tales (1776-1822) ;

e. t. s. walton

Irish physicist who (with Sir John Cockcroft in 1931) first split an atom (1903-1995) ;

e. w. morley

United States chemist and physicist who collaborated with Michelson in the Michelson-Morley experiment (1838-1923) ;

e.s.p.

apparent power to perceive things that are not present to the senses ;

e layer

a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length ;

e region

a region of the ionosphere (from 50 to 90 miles up) that reflects radio waves of medium length ;

ea

the Babylonian god of wisdom; son of Apsu and father of Marduk; counterpart of the Sumerian Enki; as one of the supreme triad including Anu and Bel he was assigned control of the watery element ;

eacles

imperial moths ;

eacles imperialis

large American moth having yellow wings with purplish or brownish markings; larvae feed on e.g. maple and pine trees ;

eadweard muybridge

United States motion-picture pioneer remembered for his pictures of running horses taken with a series of still cameras (1830-1904) ;

eadwig

King of England who was renounced by Northumbria in favor of his brother Edgar (died in 959) ;

eager

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary) ;

eager beaver

an alert and energetic person ;

eagerness

prompt willingness; "readiness to continue discussions"; "they showed no eagerness to spread the gospel"; "they disliked his zeal in demonstrating his superiority"; "he tried to explain his forwardness in battle" ; a positive feeling of wanting to push ahead with something ;

eagle

any of various large keen-sighted diurnal birds of prey noted for their broad wings and strong soaring flight ; an emblem representing power; "the Roman eagle" ; a former gold coin in the United States worth 10 dollars ; (golf) a score of two strokes under par on a hole ;

eagle ray

powerful free-swimming tropical ray noted for `soaring' by flapping winglike fins; usually harmless but has venomous tissue near base of the tail as in stingrays ;

eagle scout

a boy scout who has earned many merit badges ;

eaglet

a young eagle ;

eagre

a high wave (often dangerous) caused by tidal flow (as by colliding tidal currents or in a narrow estuary) ;

eames

United States designer noted for an innovative series of chairs (1907-1978) ;

eames chair

a chair designed by Charles Eames; originally made of molded plywood; seat and back shaped to fit the human body ;

eamon de valera

Irish statesman (born in the United States); as president of the Irish Free State he was responsible for the new constitution of 1937 that created the state of Eire (1882-1975) ;

ear

the sense organ for hearing and equilibrium ; the externally visible cartilaginous structure of the external ear ; good hearing; "he had a keen ear"; "a good ear for pitch" ; attention to what is said; "he tried to get her ear" ; fruiting spike of a cereal plant especially corn ;

ear-nose-and-throat doctor

a specialist in the disorders of the ear or nose or throat ;

ear-shell

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