taproot

/tap-root, -root/US // ˈtæpˌrut, -ˌrʊt //UK // (ˈtæpˌruːt) //

直根,长根,自来根,直根性

Definitions

n.名词 noun

1
Botany.
- : a main root descending downward from the radicle and giving off small lateral roots.

Some of them had sent down a taproot nearly or quite three inches in length.
The root of evil, the taproot from which the evils of modern society develop, is the profit idea.
In truth, the leading foible of Hodgkinson through life, was vanity—the great taproot of all his irregularities and errors.
By the following autumn, the better seedlings will have ten or twelve inches of top, and two and a half or three feet of taproot.
In normally developed trees of the same age, the taproot would have been three or four feet long.