Element. One of the simplest parts of which anything consists.
Elimination (Lat. e, out of, and limen, liminis, a threshold). The act of expelling waste matters. Signifies, literally, “to throw out of doors.”
Emetic (Gr. ἐμέω, to vomit). A medicine which causes vomiting.
Emulsion (Lat. emulgere, to milk). Oil in a finely divided state, suspended in water.
Enamel (Fr. émail). Dense material covering the crown of a tooth.
Endolymph (Gr. ἔνδον, within, and Lat. lympha, water). The fluid in the membranous labyrinth of the ear.
Endosmosis (Gr. ἔνδον, within, and ὠθέω, to push). The current from without inwards when diffusion of fluids takes place through a membrane.
Epidemic (Gr. ἐπί, upon, and δέμος, the people). An extensively prevalent disease.
Epiglottis (Gr. ἐπί, upon, and γλόττις, the entrance to the windpipe). A leaf-shaped piece of cartilage which covers the top of the larynx during the act of swallowing.
Epilepsy (Gr. ἐπίληψις, a seizure). A nervous disease accompanied by fits in which consciousness is lost; the falling sickness.