Defn: Relating to the pressure exerted by earth or similar substance. Geostatic arch, an arch having a form adapted to sustain pressure similar to that exerted by earth. Rankine.

GEOSYNCLINAL
Ge`o*syn*cli"nal, n. Etym: [Gr. synclinal.] (Geol.)

Defn: the downward bend or subsidence of the earth's crust, which allows of the gradual accumulation of sediment, and hence forms the first step in the making of a mountain range; — opposed to geanticlinal.

GEOTHERMOMETER
Ge`o*ther*mom"e*ter, n. Etym: [Gr. thermometer.] (Physics)

Defn: A thermometer specially constructed for measuring temperetures at a depth below the surface of the ground.

GEOTIC
Ge*ot"ic a. Etym: [Gr.

Defn: Belonging to earth; terrestrial. [Obs.] Bailey.

GEOTROPIC
Ge`o*trop"ic, a. Etym: [See Geotropism.] (Biol.)

Defn: Relating to, or showing, geotropism.

GEOTROPISM
Ge*ot"ro*pism, n. Etym: [Gr. (Biol.)