ECCENTRIC a. 2 definitions
; deviating from an appointed sphere or way; departing from the usual course; irregular; anomalous; odd; as, eccentric conduct. "This brave and eccentric young man." Macaulay. He shines eccentric, like a comet's blaze. Savage. Eccentric anomaly. (Astron.) See Anomaly. -- Eccentric chuck (Mach.), a lathe chuck so const…
INSTRUMENTAL a.
ablative. In Old English it was a separate case, but has disappeared, leaving only a few anomalous forms. Instrumental errors, those errors in instrumental measurements, etc., which arise, exclusively from want of mathematical accuracy in an instrument.
MONTH n.
time of revolution from a star to the same again, equal to 27 d. 7 h. 43 m. 11.5 s.; the anomalistic, or time of revolution from perigee to perigee again, in length 27 d. 13 h. 18 m. 37.4 s.; and the tropical, or time of passing from any point of the ecliptic to the same again, equal to 27 d. 7 h. 43 m. 4.7 s. -- Sola…