Defn: A glass tube provided with platinum electrodes, and containing some gas under very low tension, which becomes luminous when an electrical discharge is passed through it; — so called from the name of a noted maker in germany. It is called also Plücker tube, from the German physicist who devised it.
GEITONOGAMY
Gei"to*nog"a*my, n. Etym: [Gr. (Bot.)
Defn: Fertilization of flowers by pollen from other flowers on the same plant.
GELABLE
Gel"a*ble, a. Etym: [L. gelare to congeal: cf. F. gelable. See Geal.]
Defn: Capable of being congealed; capable of being converted into jelly.
GELADA
Gel"a*da, n. (Zoöl.)
Defn: A baboon (Gelada Ruppelli) of Abyssinia, remarkable for the length of the hair on the neck and shoulders of the adult male.
GELASTIC
Ge*las"tic, a. Etym: [Gr.
Defn: Pertaining to laughter; used in laughing. "Gelastic muscles."
Sir T. Browne.
GELATIFICATION Ge*lat"i*fi*ca"tion, n. Etym: [Gelatin + L. -ficare. (in comp.) to make. See -fy.] (Physiol. Chem.)