F n.
eing probably Egyptian. Etymologically fis most closely related to p,k,v, and b; as in E. five, Gr. f, L. lupus, Gr. fox, vixen ; fragile, break ; fruit, brook, v. t.; E. bear, L. ferre. See Guide to Pronunciation, sq. root 178, 179, 188, 198, 230.
FALSE a.
as delivered for execution. -- False ribs (Anat.), the asternal rebs, of which there are five pairs in man. -- False roof (Arch.), the space between the upper ceiling and the roof. Oxford Gloss. -- False token, a false mark or other symbol, used for fraudulent purposes. -- False scorpion (Zoöl.), any arachnid of th…
FUSIBLE a.
etal, any alloy of different metals capable of being easily fused, especially an alloy of five parts of bismuth, three of lead, and two of tin, which melts at a temperature below that of boiling water. Ure. -- Fusible plug (Steam Boiler), a piece of easily fusible alloy, placed in one of the sheets and intended to mel…
GILL n.
most fishes there is a single opening on each side, but in the sharks and rays there are five, or more, on each side. -- Gill rakes, or Gill rakers (Anat.), horny filaments, or progresses, on the inside of the branchial arches of fishes, which help to prevent solid substances from being carried into gill cavities.…