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The science of gliding and soaring flight.

The science of measuring the air, including the doctrine of its pressure, elasticity, rarefaction, and condensation; pneumatics.

An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded.

onversation; complaisant behavior. Affability is of a wonderful efficacy or power in procuring love. Elyot

The act of affeering. Blackstone.

Bearing or conducting inwards to a part or organ; -- opposed to efferent; as, afferent vessels; afferent nerves, which convey sensations from the external organs to the brain.

To adopt; to receive into a family as a son; hence, to bring or receive into close connection; to ally. Is the soul affiliated to God, or is it estranged and in rebellion I. Taylor.

That affirms; asserting that the fact is so; declaratory of what exists; answering "yes" to a question; -- opposed to negative; as, an affirmative answer; an affirmative vote.

The act of hiring, or the contract for the use of, a vessel, or some part of it, to convey cargo.

or hostile. [Obs.] I walked about, admired of all, and dreaded On hostile ground, none daring my affront. Milton.

The act of pouring upon, or sprinkling with a liquid, as water upon a child in baptism. Specifically: (Med)

In a flickering state.

One born in Africa, the offspring of a white father and a "colored" mother. Also, and now commonly in Southern Africa, a native born of European settlers.

In return, back; as, bring us word again.

A diminutive person; so called in allusion to the small figures cut in agate for rings and seals. [Obs.] Shak.

e later stone age, called paleolithic and neolithic), the Bronze age, and the Iron age. During the Age of Stone man is supposed to have employed stone for weapons and implements. See Augustan, Brazen, Golden, Heroic, Middle.

To bring, or tend to bring, to a uniform grade, or slope, by addition of material; as, streams aggrade their beds by depositing sediment.

To give coloring to in description; to exaggerate; as, to aggravate circumstances. Paley.

To bring together; to collect into a mass or sum. "The aggregated soil." Milton.

To bring together in a group; to group. Dryden.