FLOAT n.
spended in water, and thus liable to be lost. -- Float ore, water-worn particles of ore; fragments of vein material found on the surface, away from the vein outcrop. Raymond. -- Float stone (Arch.), a siliceous stone used to rub stonework or brickwork to a smooth surface. -- Float valve, a valve or cock acted upon b…
HEARTH n.
part of a melting furnace, into which the melted material settles. Hearth ends (Metal.), fragments of lead ore ejected from the furnace by the blast. -- Hearth money, Hearth penny Etym: [AS. heoredhpening], a tax formerly laid in England on hearths, each hearth (in all houses paying the church and poor rates) being t…