Acrolein :: Acrolein (n.) A limpid, colorless, highly volatile liquid, obtained by the dehydration of glycerin, or the destructive distillation of neutral fats containing glycerin. Its vapors are intensely irritating..
Cleistogamous :: Cleistogamous (a.) Having, beside the usual flowers, other minute, closed flowers, without petals or with minute petals; -- said of certain species of plants which possess flowers of two or more kinds, the closed ones being so constituted as to insure self-fertilization..
Dipleidoscope :: Dipleidoscope (n.) An instrument for determining the time of apparent noon. It consists of two mirrors and a plane glass disposed in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's center is on the meridian..
Eleidin :: Eleidin (n.) Lifeless matter deposited in the form of minute granules within the protoplasm of living cells.
Epicleidium :: Epicleidium (n.) A projection, formed by a separate ossification, at the scapular end of the clavicle of many birds..
Erythroleic :: Erythroleic (a.) Having a red color and oily appearance; -- applied to a purple semifluid substance said to be obtained from archil.
Erythrolein :: Erythrolein (n.) A red substance obtained from litmus.
Erythrophleine :: Erythrophleine (n.) A white crystalline alkaloid, extracted from sassy bark (Erythrophleum Guineense)..
Kaleidophone :: Kaleidophone () An instrument invented by Professor Wheatstone, consisting of a reflecting knob at the end of a vibrating rod or thin plate, for making visible, in the motion of a point of light reflected from the knob, the paths or curves corresponding with the musical notes produced by the vibrations..
Kaleidoscope :: Kaleidoscope (n.) An instrument invented by Sir David Brewster, which contains loose fragments of colored glass, etc., and reflecting surfaces so arranged that changes of position exhibit its contents in an endless variety of beautiful colors and symmetrical forms. It has been much employed in arts of design..