† irradicaladj.
/ɪˈradɪkəl/ Mathematics. Obsolete. rare.
Of which the root cannot be extracted.
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the world > relative properties > number > mathematical number or quantity > [adjective] > prime > irrational
irrational1551
surd1551
radical1557
irradicala1690
ineffable1702
Ludolphian1886
a1690 S. Jeake Λογιστικηλογία (1696) 330 Among particular Compound Surdes, some are in a sort Irradical, and have their Roots extracted only by altering their characters.
This entry has not yet been fully updated (first published 1900; most recently modified version published online June 2021).
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adj.a1690