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A tub or vat for leaching ashes, bark, etc. Leach tub, a wooden tub in which ashes are leached.

Permitting liquids to pass by percolation; not capable of retaining water; porous; pervious; -- said of gravelly or sandy soils, and the like.

blanch; to whiten. The destruction of the coloring matters attached to the bodies to be bleached is effected either by the action of the air and light, of chlorine, or of sulphurous acid. Ure. Immortal liberty, whose look sublime Hath bleached the tyrant's cheek in every varying clime. Smollett.

Whitened; make white. Let their bleached bones, and blood's unbleaching stain, Long mark the battlefield with hideous awe. Byron.

One who whitens, or whose occupation is to whiten, by bleaching.

A place or an establishment where bleaching is done.

removing color or stains; esp. the process of whitening fabrics by chemical agents. Ure. Bleaching powder, a powder for bleaching, consisting of chloride of lime, or some other chemical or chemicals.

To pleach; to interweave. [Obs.] Shak.

To unite by interweaving, as branches of trees; to plash; to interlock. "The pleached bower." Shak.

hyposulphite) used in removing the excess of chlorine left in paper pulp or stuffs after bleaching.

the plant, being an impure carbonate of soda, used for making soap, glass, etc., and for bleaching purposes.

To take the color out of, and make white; to bleach; as, to blanch linen; age has blanched his hair.

An instrument for measuring the bleaching power of chloride of lime and potash; a chlorometer. Ure.

works and natural salt lakes. See Artemia. -- Brine spring, a spring of salt water. -- Leach brine (Saltmaking), brine which drops from granulated salt in drying, and is preserved to be boiled again.

nder Holland. -- Brown paper, dark colored paper, esp. coarse wrapping paper, made of unbleached materials. -- Brown spar (Min.), a ferruginous variety of dolomite, in part identical with ankerite. -- Brown stone. See Brownstone. -- Brown stout, a strong kind of proter or malt liquor. -- Brown study, a state of me…

Lye or suds in which cloth is soaked in the operation of bleaching, or in which clothes are washed.

The act or process of soaking or boiling cloth in an alkaline liquid in the operation of bleaching; also, the liquid used. Tomlinson.

distinctive names according to quality and use, as, super calicoes, shirting calicoes, unbleached calicoes, etc. [Eng.] The importation of printed or stained colicoes appears to have been coeval with the establishment of the East India Company. Beck (Draper's Dict. ).

A small, purplish, branching, cartilaginous seaweed (Chondrus crispus), which, when bleached, is the Irish moss of commerce. [Also written carragheen, carageen.]

A sort of salt, finely granulated, formed out of the bittern or leach brine.