EAGLE n.
f the Falcon family, esp. of the genera Aquila and Haliæetus. The eagle is remarkable for strength, size, graceful figure, keenness of vision, and extraordinary flight. The most noted species are the golden eagle (Aquila chrysaëtus); the imperial eagle of Europe (A. mogilnik or imperialis); the American bald eagle (Hal…
EASY a.
At ease; free from pain, trouble, or constraint; as: (a) Free from pain, distress, toil, exertion, and the like; quiet; as, the patient is easy. (b) Free from care, responsibility, discontent, and the like; not anxious; tranquil; as, an easy mind. (c) Free from constraint, harshness, or formality; unconstrained; smooth…
ELASTIC a.
d other gases and vapors. -- Elastic limit (Mech.), the limit of distortion, by bending, stretching, etc., that a body can undergo and yet return to its original form when relieved from stress; also, the unit force or stress required to produce this distortion. Within the elastic limit the distortion is directly propo…
ELASTICITY n.
o, or recovery from, depression or overwork. Coefficient of elasticity, the quotient of a stress (of a given kind), by the strain (of a given kind) which it produces; -- called also coefficient of resistance. -- Surface of elasticity (Geom.), the pedal surface of an ellipsoid (see Pedal); a surface used in explaining…
ELECTRIC; ELECTRICAL a.
c clock. See under Clock, and see Electro-chronograph. -- Electric current, a current or stream of electricity traversing a closed circuit formed of conducting substances, or passing by means of conductors from one body to another which is in a different electrical state. -- Electric, or Electrical, eel (Zoöl.), a So…