Paper-making. A pulping machine. Also attributive and in other combinations, as beater plate, beater roll; beater-man n. the operative who has…

a machine (a) for preparing the materials used in the manufacture of paper, strawboard, millboard, etc.; (b) for opening, beating, and cleaning…

a machine for reducing rags to pulp.

the ‘beating engine’, a machine in which half-stuff is reduced to a fine pulp.

Chiefly Papermaking. A machine for mixing ingredients into a pulp. Cf. poach, v.2 7.

Papermaking. The process of mixing ingredients into pulp. Only in poaching engine n. = poacher, n.1 4. Now rare.

(a) in paper-manufacture, a machine for washing and pulping rags, a breaker; (b) in woollen-manufacture, a carding-machine.

Paper-making. A beating-engine, invented in Holland, for the conversion of the bleached rags into paper-pulp. Also called Hollander-beater.

In paper-manufacture, a machine in which rags, etc., are washed and partly pulped. Also attributive, as breaker-plate.

A crushing machine used in milling paper-pulp.

(a) Dentistry a calcified concretion within the pulp of a tooth; (b) a stone used like a grindstone for reducing wood to pulp.