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A flying machine, or a small plane for experiments on flying, which floats in the air only when propelled through it.

An apparatus designed for collecting spores, germs, bacteria, etc., suspended in the air.

A form of hydro-aëroplane; a flying boat.

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.

fessional, or public; -- often in the plural. "At the head of affairs." Junius. "A talent for affairs." Prescott.

ns; to touch. A consideration of the rationale of our passions seems to me very necessary for all who would affect them upon solid and pure principles.

y; artificial show. "An affectation of contempt." Macaulay. Affectation is an awkward and forced imitation of what should be genuine and easy, wanting the beauty that accompanies what is natural what is natural. Locke.

settled good will; kind feeling; love; zealous or tender attachment; -- often in the pl. Formerly followed by to, but now more generally by for or towards; as, filial, social, or conjugal affections; to have an affection for or towards children. All his affections are set on his own country. Macaulay.…

To betroth; to pledge one's faith to for marriage, or solemnly promise (one's self or another) in marriage. To me, sad maid, he was affianced. Spenser.

Kinship generally; close agreement; relation; conformity; resemblance; connection; as, the affinity of sounds, of colors, or of languages. There is a close affinity between imposture and credulity. Sir G. C. Lewis.

to assert or confirm, as a judgment, decree, or order, brought before an appelate court for review.

affirms or maintains the proposition stated; -- opposed to Ant: negative; as, there were forty votes in the affirmative, and ten in the negative. Whether there are such beings or not, 't is sufficient for my purpose that many have believed the affirmative. Dryden.

ttach physically. Should they [caterpillars] affix them to the leaves of a plant improper for their food. Ray.

A fortress; a fortification for defense. [Obs.] Bailey.

To give forth; to supply, yield, or produce as the natural result, fruit, or issue; as, grapes afford wine; olives afford oil; the earth affords fruit; the sea affords an abundant supply of fish.

To convert into a forest; as, to afforest a tract of country.

The act of converting into forest or woodland. Blackstone.

To hire, as a ship, for the transportation of goods or freight.

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

n fear, or apprehension, perhaps less than terror. He looks behind him with affright, and forward with despair. Goldsmith.