ISOMETRIC; ISOMETRICAL a.
onometric; regular; cubic. Cf. Crystallization. Isometric lines (Thermodynamics), lines representing in a diagram the relations of pressure and temperature in a gas, when the volume remains constant. -- Isometrical perspective. See under Perspective. -- Isometrical projection, a species of orthographic projection, in…
JEWISH CALENDAR n.
from the year 3761 b. c., the date traditionally given for the Creation. It received its present fixed form from Hillel II. about 360 a. d. The present names of the months, which are Babylonian- Assyrian in origin, replaced older ones, Abib, Bul, etc., at the time of the Babylonian Exile. Nineteen years constitute a l…