(a) the mass formed by the roots of a plant and the soil between and around them; (b) = niggerhead, n. 3a (rare).
| 单词 | θ21460 |
| 释义 | the world > plants > part of plant > root > [noun] > root-ball or rhizoplane (2) root ball1837 (a) the mass formed by the roots of a plant and the soil between and around them; (b) = niggerhead, n. 3a (rare). rhizoplane1949 The external surface of a plant root with any adherent particulate material; the microenvironment constituted by this. Frequently attributive. Cf. r… |
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