| 释义 |
cen·trad
I. \ˈsen.ˌtrad\ adverb (or adjective)
Etymology: centr- + -ad
: toward the center (as of the body)
< centrad to the epidermis >
II. noun
(-s)
Etymology: cent- (from centi-) + radian
: a unit of angular measure equal to 1/100 of a radian or about 0.57 degrees |