EXHAUST a.
to steam, air, gas, etc., that is released from the cylinder of an engine after having preformed its work. Exhaust draught, a forced draught produced by drawing air through a place, as through a furnace, instead of blowing it through. -- Exhaust fan, a fan blower so arranged as to produce an exhaust draught, or to dra…
EXPEDITIOUS a.
Possessed of, or characterized by, expedition, or efficiency and rapidity in action; performed with, or acting with, expedition; quick; having celerity; speedily; as, an expeditious march or messenger. -- Ex`pe*di"tious*ly, adv. -- Ex`pe*di"tious*ness, n.
EXTEMPORANEOUS a.
Composed, performed, or uttered on the spur of the moment, or without previous study; unpremeditated; off-hand; extempore; extemporary; as, an extemporaneous address or production. -- Ex*tem`po*ra"ne*ous*ly, adv. -- Ex*tem`po*ra"ne*ous*ness,n.
EYEPIECE n.
enses, at the eye end of a telescope or other optical instrument, through which the image formed by the mirror or object glass is viewed. Collimating eyepiece. See under Collimate. -- Negative, or Huyghenian, eyepiece, an eyepiece consisting of two plano-convex lenses with their curved surfaces turned toward the objec…
FACTITIOUS a.
Made by art, in distinction from what is produced by nature; artificial; sham; formed by, or adapted to, an artificial or conventional, in distinction from a natural, standard or rule; not natural; as, factitious cinnabar or jewels; a factitious taste. -- Fac-ti"tious*ly, adv. -- Fac*ti"tious-ness, n. He acquires a f…