Underroot

adj, adv, noun

adj, adv, noun ·Rare ·Advanced level

Definitions

Noun
  1. 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. 2
    Square root. India

    "The underroot of the product of two regression coefficients gives us the coefficient of correlation ."

  3. 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."

Adjective
  1. 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."

Adverb
  1. 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.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.