radicand

noun Mathematics.

1. the quantity under a radical sign.

noun

1. a number or quantity from which a root is to be extracted, usually preceded by a radical sign3 is the radicand of √3

n.

the number under a radical sign, from Latin radicandus, gerundive of radicare (see radicant).

1. The number or expression that is written under a radical sign, such as the 3 in √3.