Cerargyrite :: Cerargyrite (n.) Native silver chloride, a mineral of a white to pale yellow or gray color, darkening on exposure to the light. It may be cut by a knife, like lead or horn (hence called horn silver)..
Circumgyrate :: Circumgyrate (v. t. & i.) To roll or turn round; to cause to perform a rotary or circular motion.
Circumgyration :: Circumgyration (n.) The act of turning, rolling, or whirling round..
Circumgyratory :: Circumgyratory (a.) Moving in a circle; turning round.
Exogyra :: Exogyra (n.) A genus of Cretaceous fossil shells allied to oysters.
Gyracanthus :: Gyracanthus (n.) A genus of fossil fishes, found in Devonian and carboniferous strata; -- so named from their round, sculptured spines..
Gyral :: Gyral (a.) Moving in a circular path or way; whirling; gyratory.
Gyral :: Gyral (a.) Pertaining to a gyrus, or convolution..
Gyration :: Gyration (n.) The act of turning or whirling, as around a fixed center; a circular or spiral motion; motion about an axis; rotation; revolution..
Gyration :: Gyration (n.) One of the whorls of a spiral univalve shell.
Gyratory :: Gyratory (a.) Moving in a circle, or spirally; revolving; whirling around..
Gyre :: Gyre (n.) A circular motion, or a circle described by a moving body; a turn or revolution; a circuit..
Gyre :: Gyre (v. t. & i.) To turn round; to gyrate.
Gyrencephala :: Gyrencephala (n. pl.) The higher orders of Mammalia, in which the cerebrum is convoluted..
Gyrfalcon :: Gyrfalcon (n.) One of several species and varieties of large Arctic falcons, esp. Falco rusticolus and the white species F. Islandicus, both of which are circumpolar. The black and the gray are varieties of the former. See Illust. of Accipiter..
Gyrodus :: Gyrodus (n.) A genus of extinct oolitic fishes, having rounded teeth in several rows adapted for crushing..
Gyrogonite :: Gyrogonite (n.) The petrified fruit of the Chara hispida, a species of stonewort. See Stonewort..
Gyroidal :: Gyroidal (a.) Spiral in arrangement or action.
Gyroidal :: Gyroidal (a.) Having the planes arranged spirally, so that they incline all to the right (or left) of a vertical line; -- said of certain hemihedral forms..