FLUORINE n.
ciated with chlorine, bromine, and iodine, in the halogen group of which it is the first member. It always occurs combined, is very active chemically, and possesses such an avidity for most elements, and silicon especially, that it can neither be prepared nor kept in glass vessels. If set free it immediately attacks th…
FRAME v.
ton of any structure; specifically, in woodwork, to put together by cutting parts of one member to fit parts of another. See Dovetail, Halve, v. t., Miter, Tenon, Tooth, Tusk, Scarf, and Splice.
FRANKPLEDGE n.
A pledge or surety for the good behavior of freemen, -- each freeman who was a member of an ancient decennary, tithing, or friborg, in England, being a pledge for the good conduct of the others, for the preservation of the public peace; a free surety.
FREEMAN n.
A member of a corporation, company, or city, possessing certain privileges; a member of a borough, town, or State, who has the right to vote at elections. See Liveryman. Burrill. Both having been made freemen on the same day. Addison.
FRICTION n.
ether, 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 held by friction and can turn, by slipping, under excessive strain or in starting. -- Friction drop hammer, one in which the hammer is raised for striking by the frictio…
GATHERING a.
r assembled, to form a book. Knight. -- Gathering coal, a lighted coal left smothered in embers over night, about which kindling wood is gathered in the morning. -- Gathering hoop, a hoop used by coopers to draw together the ends of barrel staves, to allow the hoops to be slipped over them. -- Gathering peat. (a) A…