ATMOSPHERIC; ATMOSPHERICAL a.
pheric 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 to about…
ATTENDANT a.
Depending on, or owing duty or service to; as, the widow attendant to the heir. Cowell. Attendant keys (Mus.), the keys or scales most nearly related to, or having most in common with, the principal key; those, namely, of its fifth above, or dominant, its fifth below (fourth above), or subdominant, and its relative min…
AXIS n.
line of any design. Anticlinal axis (Geol.), a line or ridge from which the strata slope downward on the two opposite sides. -- Synclinal axis, a line from which the strata slope upward in opposite directions, so as to form a valley. -- Axis cylinder (Anat.), the neuraxis or essential, central substance of a nerve f…
BACK v. 2 definitions
To bet on the success of; -- as, to back a race horse. To back an anchor (Naut.), to lay down a small anchor ahead of a large one, the cable of the small one being fastened to the crown of the large one. -- To back the field, in horse racing, to bet against a particular horse or horses, that some one of all the other…