slugl (slug)

[Also dial. * sluck (in slucka bed, var. of slugabed ); IMG:content-1333.png:[blocks in formation] II. n. 1. A slow, heavy, lazy fellow; a slug- [Obsolete or bore-hole, when often called bore - meal. - 4. Refuse from various operations, as from the washing of coal; also, refuse acid and alkali solutions from the agitators, in the refining of crude petroleum: sometimes used, but incorrectly, as the equivalent of slimes, or the very finely comminuted material coming from the stamps. See slime, 3. -Sludge acid, acid which has been used for the purification of petroleum. sludge-door (sluj'dōr), n. An opening in a steam-boiler through which the deposited matter can be removed.