DERK a.
A suffix or terminal formative, much used in anatomical terms, and signifying skin, integument, covering; as, blastoderm, ectoderm, etc.
DETERMINATION n.
act, process, or result of any accurate measurement, as of length, volume, weight, intensify, etc.; as, the determination of the ohm or of the wave length of light; the determination of the salt in sea water, or the oxygen in the air.
DEVITRIFICATION n.
The act or process of devitrifying, or the state of being devitrified. Specifically, the conversion of molten glassy matter into a stony mass by slow cooling, the result being the formation of crystallites, microbites, etc., in the glassy base, which are then called devitrification products.
DIALECTICS n.
r of the nature and laws of being -- higher metaphysics. By Kant, it was employed to signify the logic of appearances or illusions, whether these arise from accident or error, or from those necessary limitations which, according to this philosopher, originate in the constitution of the human intellect.…