Search the Dictionary

A treatise on, or text-book of, the science. Physical astronomy. See under Physical.

mock, laugh at any one. At all, At home, At large, At last, At length, At once, etc. See under All, Home, Large, Last (phrase and syn.), Length, Once, etc. -- At it, busily or actively engaged. -- At least. See Least and However. -- At one. See At one, in the Vocabulary.

See under Lily.

A drawing paper of large size. See under Paper, n. Atlas powder, a nitroglycerin blasting compound of pasty consistency and great explosive power.

ressure used in certain physical measurements calculations; conventionally, that pressure under which the barometer stands at 760 millimeters, at a temperature of 0º Centigrade, at the level of the sea, and in the latitude of Paris. Sir W. Thomson.

a level, on a unit of surface, or about 14.7 Ibs. to the sq. inch. Hydrogen was liquefied under a pressure of 650 atmospheres. Lubbock.

ssed air or the creation of a vacuum, is the propelling force. -- Atmospheric tides. See under Tide.

The doctrine of atoms. See Atomic philosophy, under Atomic.

A essay, trial, or endeavor; an undertaking; an attack, or an effort to gain a point; esp. an unsuccessful, as contrasted with a successful, effort. By his blindness maimed for high attempts. Milton. Attempt to commit a crime (Law), such an intentional preparatory act as will apparently result, if not extrinsically hin…

To apply the mind, or pay attention, with a view to perceive, understand, or comply; to pay regard; to heed; to listen; -- usually followed by to. Attend to the voice of my supplications. Ps. lxxxvi. 6. Man can not at the same time attend to two objects. Jer. Taylor.

To lessen the amount, force, or value of; to make less complex; to weaken. To undersell our rivals . . . has led the manufacturer to . . . attenuate his processes, in the allotment of tasks, to an extreme point. I. Taylor. We may reject and reject till we attenuate history into sapless meagerness. Sir F. Palgrave.…

a peculiar form of molded base for a column or pilaster, described by Vitruvius, applied under the Roman Empire to the Ionic and Corinthian and "Roman Doric" orders, and imitated by the architects of the Renaissance. -- Attic faith, inviolable faith. -- Attic purity, special purity of language. -- Attic salt, Attic…

In twain; asunder. [Obs. or Poetic] "Cuts atwain the knots." Tennyson.

In two; in twain; asunder. [Obs.] Chaucer.

e derived from the Roman practice of taking the auspicium, or inspection of birds, before undertaking any important business. They auspicate all their proceedings. Burke.

A divining or taking of omens by observing birds; an omen as to an undertaking, drawn from birds; an augury; an omen or sign in general; an indication as to the future.

Authorized Version of the Bible is the English translation of the Bible published in 1611 under sanction of King James I. It was "appointed to be read in churches," and has been the accepted English Bible. The Revised Version was published in a complete form in 1855.

produced by, an automaton; of the nature of an automaton; self-acting or self-regulating under fixed conditions; -- esp. applied to machinery or devices in which certain things formerly or usually done by hand are done by the machine or device itself; as, the automatic feed of a lathe; automatic gas lighting; an autom…

That which is given under the doctrine of administering a patient's own virus.

A photographic picture produced in sensitized pigmented gelatin by exposure to light under a negative; and subsequent washing out of the soluble parts; a kind of picture in ink from a gelatin plate.