the symbol √ or indicating extraction of a root of the quantity that follows it, as √25=5 or .
the symbol √ placed before a number or quantity to indicate the extraction of a root, esp a square root. The value of a higher root is indicated by a raised digit in front of the symbol, as in ³√
[rad-i-kand, rad-i-kand] /ˈræd ɪˌkænd, ˌræd ɪˈkænd/ noun, Mathematics. 1. the quantity under a radical sign. /ˈrædɪˌkænd; ˌrædɪˈkænd/ noun 1. a number or quantity from which a root is to be extracted, usually preceded by a radical sign: 3 is the radicand of √3 n. the number under a radical sign, from Latin radicandus, gerundive of […]
[rad-i-kuh nt] /ˈræd ɪ kənt/ adjective, Botany. 1. rooting from the stem, as ivy. adj. “bringing forth roots,” 1735, from Latin radicantem (nominative radicans), present participle of radicare, from radix “root” (see radish).
[rah-dee-kee-oh, ruh-] /rɑˈdi kiˌoʊ, rə-/ noun 1. a variety of chicory originating in Italy, having a compact head of reddish, white-streaked leaves: leaves and roots may be cooked or used raw in salads. /ræˈdiːkɪəʊ/ noun (pl) -chios 1. an Italian variety of chicory, having purple leaves streaked with white that are eaten raw in salads
[rad-uh-sel] /ˈræd əˌsɛl/ noun, Botany. 1. a minute root; a rootlet. /ˈrædɪˌsɛl/ noun 1. a very small root; radicle