root-cap defined in 1951 yearroot-cap - root-cap;
root-cap - Cap of loosely arranged cells covering apex of growing point of root and protecting it as it is forced through soil. Formed from promeristem, dermatogen, or from a meristematic layer external to dermatogen known as calyptrogen.
near root-cap in Knolik
definition of word "root-cap" was readed 900 times