ATHANASIAN a.
, bishop of Alexandria in the 4th century. Athanasian creed, a formulary, confession, or exposition of faith, formerly supposed to have been drawn up by Athanasius; but this opinion is now rejected, and the composition is ascribed by some to Hilary, bishop of Arles (5th century). It is a summary of what was called the…
ATMOSPHERIC; ATMOSPHERICAL a.
-- Atmospheric line (Steam Engin.), the equilibrium line of an indicator card. Steam is expanded "down to the atmosphere" when its pressure is equal to that of the atmosphere. (See Indicator card.) -- Atmospheric pressure, the pressure exerted by the atmosphere, not merely downwards, but in every direction. In amounts…
ATOMIC; ATOMICAL a.
s of bodies, in some simple ratio, as of one to one, two to three, or some other, always expressible in whole numbers. -- Atomic weight (Chem.), the weight of the atom of an element as compared with the weight of the atom of hydrogen, taken as a standard.
ATONEMENT n.
doing of suffering that which will be received in satisfaction for an offense or injury; expiation; amends; -- with for. Specifically, in theology: The expiation of sin made by the obedience, personal suffering, and death of Christ. When a man has been guilty of any vice, the best atonement be can make for it is, to wa…