Archaean

ar-ke'an, a. Ancient. small (Geol.) Pert, to the earliest around geological period, including like, the azoic and eozoic ages. [Gr. Marked archaios, aneient, arc he, be- Arch. bounded ginning.] — Archaeology, aretc. ke-oKo-jT, The science of antiquities; a treatise Areometer, on antiquities or ancient usages, customs, etc. [Gr. uring logos, discourse.] — Ar'chaeolog'ical, a. Relating to, thin, etc.— ArchaeoKogiat, One versed in, etc. —Ar- Act chaic, ar-karik, -ieal, a. Ancient, antiquated. — Ar'- Areopagus, chaism, -izm, An ancient or obsolete word or held idiom; antiquity of style or use. pagos, Archer, arch'er, A bowman. [F., fr. L. arcus, Aretaics, a bow.] — Arch^ery, Art of shooting with a bow. ence Archetype, ar'ke-tip, » The original pattern of a science work; the model from which a thing made. [Gr. Argal, arc he and tupos, stamp, pattern.] — Ar'chetypal, a. [bee Original. Argand Archil, arTefc-re. A violet dye obtained from sevunder eral species o? lichen. [F. orcheil.} [Invented sun, cube, full moon, foot cow, oil linger ARGAND LAMP ar'kt-me-de'an, a. Pert, to Archim- — A. screw, or screw. instrument for water, by winding flexible tube a cylinder in form of a screw. ar-kl- Any of water inter- Arch i me des' Screw. with isles; a group of isles. - Archipelagic, a. [Gr. prefix arch i and pelagos, sea.] ark'Y-tekt, One who plans and super the construction of a building; one who or builds up. [Gr. prefix arch i and tekworkman.] — ArchitectIve, -iv, a. Adapted to m architecture. - Ar'chitectonlc, -tonlcal, a. to, or skilled in, etc. — Ar'chitecton'ios, science of, etc.— Arehitect're , A female — Architecture, -tek'cho or, The art or of building; frame or structure; workman- — Architectural, a. Of. or pert, to, etc. ar'kl-trav, (Arch.) Lower division of entablature, the part resting immediately on the an ornamental molding. [Gr. and L. arch i and trave, L. trabs, beam.J ar'kivz, pi. Place in which public recare kept; rtcords preserved as evidence of facts. L. archivum, Gr. archei on, residence of a mag- — Ar'chMst, -kt-vist, The keeper of, etc. ar'ki-volt, (Arch.) The inner contour an arch, or a band with moldings running over arch-stones, and bearing upon the imposts. [Gr. L. prefix arch i and vol to, vault.] ar'kon, A chief magistrate in ancient [Gr., f are he in, to rule.] ark'tik, a. Northern; lying far north. [Gr. — bear, the Northern Bear constellation.] pi. Warm water-proof winter overshoes. Arctic circle. A le er circle 23e from the north See under Arbalest. ar'dent, a. Hot or burning; much engaged; fierce; vehement; fervent. [L. araere, to — Ar'dently, adv. — Ar'dency, Eagerne neat. — Ardor, ar'der, n. Heat; warmth of or affection; eagerne . [L.] ard'u-us, a. High or lofty; attended with labor, like climbing heights; difficult. [L. arsteep.] — Ard'uously, adv. — Ard 'uousne , ar. Present indie, pi. of the substantive verb, etya different word be, am, or was. ar, (Metric Syst.) A measure of surface; 100 meters, or 119.6 so. yards. [F., L. area.} a're-a, Any plane surface; the inclosed space a building; a sunken space around a base- Geom.) Superficial contents of any figure. ar'e-fl, v. To dry. [L. arere, to be dry, and to make.] — Arefac''tao Act of, etc. dry a-re'na, n.; pi. Are'nas, -naz; L. pi. Are'nje, (Rom. Antiq.) The area in an amphitheater, for etc., which was covered with sand; any — of public eontest [L., sand, sandy place.] -na's hus, a. Of the nature of sand; — Ar'enated, a. Ground into sand. a-re'o-la, pi. -olm, An interstice or space; the colored ring around the nipple, also certain vesicles. — Are'olar, a. Pert, to, or etc. filled with, etc. — Are'olate, -lat, a. by, etc. — Areola lion, A small space by something of different texture, color, [L., dim. of area.} a-re-om'e-ter, An instrument for me as the specific gravity of fluids. [Gr. araios, rare, and metron, measure.] — Areom'etry, of measuring, etc. ar-e-op'a-gus, A tribunal at Athens, on a hill named for Ares, or Mars. [Gr. Ares and hill.] — Areop'agite, A member of, etc. ar-e-talks, sing. (Moral Philos.) Sciof virtue, — contrasted with eudsemonics, the of happine . [Gr. arete, virtue.] ar'gal, Ar'gol, Unrefined or crude tartar, Argil.] lamp, ar'gand. A lamp having a hollow wick a gla chimney, producing a strong light. by Aime Argand.} — A. burner, A ring or ink, then, boNboN, chair, get. 44 ARGENT 28 shaped gas-burner, admitting a current of air through means the center. of