| 释义 |
gradal, a. rare.|ˈgreɪdəl|
[irregularly f. L. grad-us degree + -al1; used instead of the regularly formed adj. gradual, to avoid ambiguity.]
Of or pertaining to degree.
1872E. Tuckerman Genera Lichenum p. vi, He conceives then that while less weight..should be given to spore-differences of a mere gradal character..more [etc.]. |