| 单词 | rootcap |
| 释义 | rootcap in British English (ˈruːtˌkæp) noun a hollow cone of loosely arranged cells that covers the growing tip of a root and protects it during its passage through the soil rootcap in American English (ˈruːtˌkæp, ˈrut-) noun Botany the loose mass of epidermal cells covering the apex of most roots, serving to protect the meristematic cells behind it Word origin [1875–80; root1 + cap1]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: cross-fertilization, knockabout, neoclassic, pressure point, slime mold |
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