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One who professes ignorance, or denies that we have any knowledge, save of phenomena; one who supports agnosticism, neither affirming nor denying the existence of a personal Deity, a future life, etc.

- followed by to, rarely by with. That which is agreeable to the nature of one thing, is many times contrary to the nature of another. L'Estrange.

That part of botany which treats of the grasses.

Anything which prevents sleep, or produces wakefulness, as strong tea or coffee.

To be affected with pain or uneasiness of any sort; to be ill or indisposed or in trouble. When he ails ever so little . . . he is so peevish. Richardson.

ne of direction with the object intended to be struck; the line of fire; the direction of anything, as a spear, a blow, a discourse, a remark, towards a particular point or object, with a view to strike or affect it. Each at the head leveled his deadly aim. Milton.

Any aëriform body; a gas; as, oxygen was formerly called vital air. [Obs.]

An air sac, sometimes double or variously lobed, in the visceral cavity of many fishes. It originates in the same way as the lungs of air-breathing vertebrates, and in the adult may retain a tubular connection with the pharynx or esophagus.

used to exhaust from a condenser the condensed steam, the water used for condensing, and any commingled air.

Any device, as a balloon, aëroplane, etc., for floating in, or flying through, the air.

Any sound or information intended to give notice of approaching danger; a warming sound to arouse attention; a warning of danger. Sound an alarm in my holy mountain. Joel ii. 1.

A white tablet on which anything was inscribed, as a list of names, etc.

Nourishing matter stored up within the integuments of the seed in many plants, but not incorporated in the embryo. It is the floury part in corn, wheat, and like grains, the oily part in poppy seeds, the fleshy part in the cocoanut, etc.

e serum of blood, and is found in other animal substances, both fluid and solid, also in many plants. It is soluble in water is coagulated by heat ad by certain chemical reagents. Acid albumin, a modification of albumin produced by the action of dilute acids. It is not coagulated by heat. -- Alkali albumin, albumin as…

Any natural recess analogous to an alcove or recess in an apartment. The youthful wanderers found a wild alcove. Falconer.

Any of numerous neuropterous insects of the genus Sialis or allied genera. They have aquatic larvæ, which are used for bait.

by condensation of two molecules of acetaldehyde: CH3CHO + CH3CHO = H3CH(OH)CH2CO; also, any of various derivatives of this. The same reaction has been applied, under the name of aldol condensation, to the production of many compounds.

By any or means; at all events. [Obs.] Fairfax.

One of a widely spread family of Indians, including many distinct tribes, which formerly occupied most of the northern and eastern part of North America. The name was originally applied to a group of Indian tribes north of the River St. Lawrence.

The art of calculating with any species of notation; as, the algorithms of fractions, proportions, surds, etc.