FIN n.
l.), the pectoral and ventral fins, corresponding to the fore and hind legs of the higher animals. -- Unpaired, or Median, fins (Zoöl.), the dorsal, caudal, and anal fins.
FISSION n.
ts, each of which then becomes a separate and independent organisms; as when a cell in an animal or plant, or its germ, undergoes a spontaneous division, and the parts again subdivide. See Segmentation, and Cell division, under Division.
FLOWER n.
Menstrual discharges. Lev. xv. 24. Animal flower (Zoöl.) See under Animal. -- Cut flowers, flowers cut from the stalk, as for making a bouquet. -- Flower bed, a plat in a garden for the cultivation of flowers. -- Flower beetle (Zoöl.), any beetle which feeds upon flowers, esp. any one of numerous small species of th…
FOAM n.
n aggregation of bubbles, which is formed on the surface of liquids,or in the mouth of an animal, by violent agitation or fermentation; froth; spume; scum; as, the foam of the sea. Foam cock, in steam boilers, a cock at the water level, to blow off impurities.