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An interstice or small space, as between the cracks of the surface in certain crustaceous lichens; or as between the fibers composing organs or vessels that interlace; or as between the nervures of an insect's wing.

Pertaining to, or like, an areola; filled with interstices or areolæ. reolar tissue (Anat.), a form of fibrous connective tissue in which the fibers are loosely arranged with numerous spaces, or areolæ, between them.

Pertaining to, or measured by, an areometer.

Pertaining to the Areopagus. Mitford.

An acute and rugged crest of a mountain range or a subsidiary ridge between two mountain gorges.

That part of moral philosophy which treats of virtue, its nature, and the means of attaining to it.

ild sheep (Ovis ammon, or O. argali), remarkable for its large horns. It inhabits the mountains of Siberia and central Asia.

Pertaining to the ship Argo. See Argo.

Of or pertaining to silver; resembling, containing, or combined with, silver.

Pertaining to, derived from, or containing, silver; -- said of certain compounds of silver in which this metal has its lowest proportion; as, argentic chloride.

Producing or containing silver; as, argentiferous lead ore or veins.

Pertaining to, or resembling, silver; made of, or sounding like, silver; silvery. Celestial Dian, goddess argentine. Shak.

Of, pertaining to, or containing, silver; -- said of certain silver compounds in which silver has a higher proportion than in argentic compounds; as, argentous chloride.

Of the nature of clay; consisting of, or containing, argil or clay; clayey. Argillaceous sandstone (Geol.), a sandstone containing much clay. -- Argillaceous iron ore, the clay ironstone. -- Argillaceous schist or state. See Argillite.

Consisting of, or containing, clay and sand, as a soil.

Consisting of, or containing, clay and calcareous earth.

Containing clay and iron.

Pertaining to the ship Argo.

Pertaining to Argolis, a district in the Peloponnesus.

A substance regarded as an element, contained in the atmosphere and remarkable for its chemical inertness. Rayleigh and Ramsay.