DICT.TW Dictionary Taiwan
18.117.94.77
Search for:
▼[Show options]
[Pronunciation] [Help] [Database Info] [Server Info]

1 definition found

From: Webster's Revised Unabridged Dictionary (1913)

 Per·tur·ba·tion·al a. Of or pertaining to perturbation, esp. to the perturbations of the planets. “The perturbational theory.”
 ◄ ►