| 释义 |
† irradical, a. Math. Obs. rare—1.|ɪˈrædɪkəl|
[ir-2.]
Of which the root cannot be extracted.
1674S. Jeake Arith. (1696) 330 Among particular Compound Surdes, some are in a sort Irradical, and have their Roots extracted only by altering their characters. |