SILICIDE n.
or one regarded as binary. [R.] Hydrogen silicide (Chem.), a colorless, spontaneously inflammable gas, SiH4, produced artifically from silicon, and analogous to methane; -- called also silico-methane, silicon hydride, and formerly siliciureted hydrogen.
SOFTENING a.
softening (Med.), a localized softening of the brain substance, due to hemorrhage or inflammation. Three varieties, distinguished by their color and representing different stages of the morbid process, are known respectively as red, yellow, and white, softening.
SOLIPED n.
A mammal having a single hoof on each foot, as the horses and asses; a solidungulate. [Written also solipede.] The solipeds, or firm-hoofed animals, as horses, asses, and mules, etc., -- they are, also, in mighty number. Sir T. Browne.