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An appearance as of a halo of light, surround the edges of dark object

exhaled, or which rises in the form of vapor, fume, or steam; effluvium; emanation; as, exhalations from the earth or flowers, decaying matter, etc. Ye mists and exhalations, that now rise From hill or steaming lake. Milton.

The act of inhaling; also, that which is inhaled.

volatile liquid, C5H11NO2, used in medicine as a heart stimulant and a vasodilator. The inhalation of its vapor instantly produces flushing of the face.

g or sensation; a state of general or local insensibility produced by disease or by the inhalation or application of an anæsthetic.

A chronic lung disease, common among coal miners, due to the inhalation of coal dust; -- called also collier's lung and miner's phthisis.

n which results from interruption of respiration, as in suffocation or drowning, or the inhalation of irrespirable gases.

Treatment of disease by vapors or gases, as by inhalation.

Any subtile, invisible emanation, effluvium, or exhalation from a substance, as the aroma of flowers, the odor of the blood, a supposed fertilizing emanation from the pollen of flowers, etc.

Fragrance; exhalation; odor; perfume. Tennison. The breath of flowers. Bacon.

That which serves as a medium or agency to transmit disease; a virus produced by, or exhalation proceeding from, a diseased person, and capable of reproducing the disease.

Communicable by contact, by a virus, or by a bodily exhalation; catching; as, a contagious disease.

Cross; thick; dense; coarse; not elaborated or refined. "Crass and fumid exhalations." Sir. T. Browne. "Crass ignorance" Cudworth.

A luminous exhalation from marshy grounds.

A luminous exhalation from marshy grounds, seeming to move through the air as a winged serpent.

To take into the lungs; to inhale; to inspire; hence, also, to utter or produce by an inhalation; to heave. "Where I first drew air." Milton. Drew, or seemed to draw, a dying groan. Dryden.

Subtile or invisible emanation; exhalation perceived by the sense of smell; especially, noisome or noxious exhalation; as, the effluvium from diseased or putrefying bodies, or from ill drainage.

A process of extracting perfumes by exposing absorbents, as fixed oils or fats, to the exhalations of the flowers. It is used for plants whose volatile oils are too delicate to be separated by distillation.

To render insensible by means of ether, as by inhalation; as, to etherize a patient.

Exhalation. [Obs.]