Arduous, a.
- 1. Steep, high, lofty, uphill.
- 2. Hard, difficult, laborious, onerous, troublesome, Herculean, toilsome, tiresome, wearisome, fatiguing,
beset with difficulties, full of difficulties.
Area, n.
- 1. Region, sphere, realm, territory, domain, district, circuit, circle, definite space.
- 2. Yard, kitchen-yard, sunken space adjoining the basement.
- 3. (Geom.) Superficial contents, superficies, surface.
Arena, n.
- 1. Ring, amphitheatre.
- 2. Scene of action, theatre, field, stage, place of contest, scene of conflict, battle-field.
Arenaceous, a. Sandy, arenose, arenarious.
Arenose, a. Sandy, arenose, arenarious.
Areometer, n. Hydrometer.
Argent, a.
- 1. Of silver, silver.
- 2. Silvery, bright, resplendent, shining, radiant, brilliant, beaming, effulgent, refulgent, fair, white, snowy.
Argent, n. Whiteness, fairness, snowiness, silveriness, brilliancy, resplendence, radiance, effulgence, refulgence.
Argil, n.
- 1. Potter’s clay, white clay.
- 2. Alumina, argillaceous earth, oxide of aluminium.
Argillaceous, a. Clayey, aluminous.
Argol, n. Tartar (crude), bitartrate of potash, wine-stone. [Also spelled Argal.]