ACHROMATIC a.
justed that the chromatic aberration produced by the one is corrected by other, and light emerges from the compound lens undecomposed. -- Achromatic prism. See Prism. -- Achromatic telescope, or microscope, one in which the chromatic aberration is corrected, usually by means of a compound or achromatic object glass,…
AMEND v.
what is removed; to rectify. Mar not the thing that can not be amended. Shak. An instant emergency, granting no possibility for revision, or opening for amended thought. De Quincey. We shall cheer her sorrows, and amend her blood, by wedding her to a Norman. Sir W. Scott. To amend a bill, to make some change in the de…
DEAD a.
ut assistance from mechanical advantage, as from levers, pulleys, etc.; hence, an extreme emergency. "(As we say) at a dead lift." Robynson (More's Utopia). -- Dead line (Mil.), a line drawn within or around a military prison, to cross which involves for a prisoner the penalty of being instantly shot. -- Dead load (C…
ENCAVE v.
nifying action, state, or quality; also, that which relates to the action or state; as in emergence, diffidence, diligence, influence, difference, excellence. See -ance.