FIN n.
Fin whale (Zoöl.), a finback. -- Paired fins (Zoöl.), 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.
FREE a.
will. -- Free bench (Eng. Law), a widow's right in the copyhold lands of her husband, corresponding to dower in freeholds. -- Free board (Naut.), a vessel's side between water line and gunwale. -- Free bond (Chem.), an unsaturated or unemployed unit, or bond, of affinity or valence, of an atom or radical. -- Free-b…
FRICTION n.
ether; as, in the illustration, the cone a on one shaft, when thrust forcibly into the corresponding hollow cone b on the other shaft, compels the shafts to rotate together, by the hold the friction of the conical surfaces gives. (b) A toothed clutch, one member of which, instead of being made fast on its shaft, is hel…