SECONDARY a. 10 definitions
ing in the second stage of a disease; as, the secondary symptoms of syphilis. Secondary accent. See the Note under Accent, n., 1. -- Secondary age. (Geol.) The Mesozoic age, or age before the Tertiary. See Mesozoic, and Note under Age, n., 8. -- Secondary alcohol (Chem.), any one of a series of alcohols which contain…
SEGMENTATION n.
d yolk, from which results unequal segmentation. See Holoblastic, Meroblastic, Alecithal, Centrolecithal, Ectolecithal, and Ovum. -- Segmentation sphere (Biol.), the blastosphere, or morula. See Morula.
SENSATION n. 3 definitions
An impression, or the consciousness of an impression, made upon the central nervous organ, through the medium of a sensory or afferent nerve or one of the organs of sense; a feeling, or state of consciousness, whether agreeable or disagreeable, produced either by an external object (stimulus), or by some change in the…