FERROCYANIDE n.
y strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood, etc., in iron pots.
FIN n.
bmarine boats. Apidose fin. (Zoöl.) See under Adipose, a. -- Fin ray (Anat.), one of the hornlike, cartilaginous, or bony, dermal rods which form the skeleton of the fins of fishes. -- Fin whale (Zoöl.), a finback. -- Paired fins (Zoöl.), the pectoral and ventral fins, corresponding to the fore and hind legs of the…
FLOWER n.
which are injurious to crops. -- Flower bird (Zoöl.), an Australian bird of the genus Anthornis, allied to the honey eaters. -- Flower bud, an unopened flower. -- Flower clock, an assemblage of flowers which open and close at different hours of the day, thus indicating the time. -- Flower head (Bot.), a compound fl…
FOG n.
A state of mental confusion. Fog alarm, Fog bell, Fog horn, etc., a bell, horn, whistle or other contrivance that sounds an alarm, often automatically, near places of danger where visible signals would be hidden in thick weather. -- Fog bank, a mass of fog resting upon the sea, and resembling distant land. -- Fog rin…
FRANGULIC; FRANGULINIC a.
Pertaining to, or drived from, frangulin, or a species (Rhamnus Frangula) of the buckthorn. Frangulinic acid (Chem.), a yellow crystalline substance, resembling alizarin, and obtained by the decomposition of frangulin.
FRENCH a.
kidney bean (Phaseolus vulgaris). -- French berry (Bot.), the berry of a species of buckthorn (Rhamnus catharticus), which affords a saffron, green or purple pigment. -- French casement (Arch.) See French window, under Window. -- French chalk (Min.), a variety of granular talc; -- used for drawing lines on cloth, et…