a. [ L. meracus, fr. merus pure, inmixed. ] Being without mixture or adulteration; hence, strong; racy. [ Obs. ] [ 1913 Webster ]

n. A mercurial compound applied topically as an antiseptic; Mercurochrome is the trademark.
Syn. -- Mercurochrome. [ WordNet 1.5 ]

a. [ L. mercabilis, fr. mercari to trade, traffic, buy. See Merchant. ] Capable of being bought or sold. [ Obs. ] [ 1913 Webster ]

a. [ F. mercantile, It. mercantile, fr. L. mercans, -antis, p. pr. of mercari to traffic. See Merchant. ] Of or pertaining to merchants, or the business of merchants; having to do with trade, or the buying and selling of commodities; commercial. [ 1913 Webster ]

The expedition of the Argonauts was partly mercantile, partly military. Arbuthnot. [ 1913 Webster ]

Mercantile agency, an agency for procuring information of the standing and credit of merchants in different parts of the country, for the use of dealers who sell to them. --
Mercantile marine, the persons and vessels employed in commerce, taken collectively. --
Mercantile paper, the notes or acceptances given by merchants for goods bought, or received on consignment; drafts on merchants for goods sold or consigned. McElrath. [ 1913 Webster ]

Syn. -- Mercantile, Commercial. Commercial is the wider term, being sometimes used to embrace mercantile. In their stricter use, commercial relates to the shipping, freighting, forwarding, and other business connected with the commerce of a country (whether external or internal), that is, the exchange of commodities; while mercantile applies to the sale of merchandise and goods when brought to market. As the two employments are to some extent intermingled, the two words are often interchanged. [ 1913 Webster ]

n. [ Mercaptan + aldehyde. ] (Chem.) Any one of a series of compounds of mercaptans with aldehydes. [ 1913 Webster ]

n. [ F., fr. NL. mercurius mercury + L. captans, p. pr. of captare to seize, v. intens. fr. capere. ] (Chem.) Any one of series of compounds having an -SH radical attached to a carbon atom, also considered as hydrosulphides of alcohol radicals, in composition resembling the alcohols, but containing sulphur in place of oxygen, and hence called also the sulphur alcohols. In general, they are colorless liquids having a strong, repulsive, garlic odor. The name is specifically applied to ethyl mercaptan, C2H5SH. So called from its avidity for mercury, and other metals. [ 1913 Webster ]

n. (Chem.) A compound of mercaptan formed by replacing its sulphur hydrogen by a metal; as, potassium mercaptide, C2H5SK. [ 1913 Webster ]

n. [ L. mercatus : cf. It. mercato. See Market. ] Market; trade. [ Obs. ] Bp. Sprat. [ 1913 Webster ]

n. [ It. See Merchant. ] A foreign trader. [ Obs. ] Shak. [ 1913 Webster ]

See under Chart, and see Mercator's projection, under Projection. [ 1913 Webster ]