Defn: A yellow or brownish red dyestuff obtained by the action of bromine on fluoresceïn, and named from the fine rose-red which it imparts to silk. It is also used for making a fine red ink. Its solution is fluorescent.
EOSPHORITE
E*os"pho*rite, n. Etym: [From Gr. (Min.)
Defn: A hydrous phosphate of alumina and manganese. It is generally of a rose-pink color, — whence the name.
EOZOIC
E`o*zo"ic, a. Etym: [See Eozoön.] (Geol.)
Defn: Of or pertaining to rocks or strata older than the Paleozoic, in many of which the eozoön has been found.
Note: This term has been proposed for the strata formerly called Azoic, and is preferred especially by those geologists who regard the eozoön as of organic origin. See Archæan.
EOZOON; EOZOOEN E`o*zo"ön, n.; pl. Eozoöns, L. Eozoa. Etym: [NL., fr. Gr. 'hw`s dawn + zw^,on an animal.] (Paleon.)
Defn: A peculiar structure found in the Archæan limestones of Canada and other regions. By some geologists it is believed to be a species of gigantic Foraminifera, but others consider it a concretion, without organic structure.
EOZOONAL; EOZOOENAL
E`o*zo"ön*al, a. (Paleon.)
Defn: Pertaining to the eozoön; containing eozoöns; as, eozoönal limestone.