Underroot
adj, adv, noun ·Rare ·Advanced level
Definitions
- 1 The underground root portion of a plant, or a single underground root.
"To my knowledge, this is the only tree, having a Manregian underroot, that has shown blackline."
- 2 Square root. India
"The underroot of the product of two regression coefficients gives us the coefficient of correlation ."
- 3 An underlying root or basis figuratively
"The word Bapt cannot here, any more than elsewhere, explain itself, There is nothing back of it. It has no underroot."
- 1 Beneath the roots. not-comparable
"Capillary saturated soil layers in relation to water expenditure are to be divided into three parts: 1) the part above the roots, 2) sucking part-active root part and 3) underroot part."
- 1 Beneath the roots.
"It is a rain forest and mucky underroot place where hard land is scarce."
Example
More examples"Capillary saturated soil layers in relation to water expenditure are to be divided into three parts: 1) the part above the roots, 2) sucking part-active root part and 3) underroot part."
Etymology
From Middle English underwroten, equivalent to under- + root.
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.