underroot

1. not comparableBeneath the roots.

   The underroot tendril! We are at fault for giving the invader a path to Lady Brianna.

   2024, Fred Perry, Gold Digger Omnibus #10

   2 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.

   1936, Proceedings, page 62

   In the ores of Fayzabad region (Central Tajikistan) the crystals of fluorite are only of octohedrial habitus types and it proves that the crystals here represent underroot parts ( according to the scheme of changing the forms of crystals).

   1996, Communicated Abstracts, page 569

comparative more underroot · superlative most underroot

1. Beneath the roots.

   It is a rain forest and mucky underroot place where hard land is scarce.

   1998, Hannah Rachel Bell, Men's Business, Women's Business

   2 more examples

   His own bloodveins stretched for the riverroots which...; all held silent communion; all were part of; all tapped the latent elements of seed and death undertree, underroot.

   2009, Gwendolyn MacEwen, Julian the Magician, page 70

   I already hinted at the problem of sea eutrophication (where excess nutrients cause algae to flourish) due to the phosphates that used to be added to washing powder, and, surely, it is not pleasant for plants to find underfoot (or, better, "underroot") those surfactants we use daily at home (please, never pour your dishwater on the roots of a magnificent camellia, even if it is blooming in the garden of a next-door neighbor you cannot stand).

   2011, Roberto Piazza, Soft Matter: The stuff that dreams are made of, page 130

plural underroots

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.

   1952, Northern Nut Grower's Association, Annual Report of the Northern Nut Growers Association, page 37

   3 more examples

   During December limbs and growth in the crown were pruned and an area around the base of the trunk was mulched to help keep the direct underroots frost-free.

   1972, Roads and Streets - Volume 115, page 56

   The flower stalk has good substance, foliage very similar to P. superbus, rosette has side shoots coming from underroots.

   1992, Dale T. Lindgren, Betty Davenport, List and Description of Named Cultivars in the Genus Penstemon, page 36

   The old man appears in this scene very much like the wise Wotan of Norse myth, who won his wisdom from Mimir's well in the tangled underroots of the World Tree Yggdrasil .

   1997, Evans Lansing Smith, Figuring Poesis: A Mythical Geometry of Postmodernism, page 108

2. figurativelyAn underlying root or basis

   It has deep underroots.

   1993, American Flint Glass Workers' Union, Proceedings of the Ninety-Ninth International Convention, page 60

   2 more examples

   The word Bapt cannot here, any more than elsewhere, explain itself, There is nothing back of it. It has no underroot.

   1858, Samuel Fuller, Loutron: Or, Water Baptism, page 19

   But did they check the underroots?” Dash asked, absently looping an arm around Frost and letting her settle in his lap, though his attention was still on the platform. His scaly brow knit in worry. "It doesn't look stable to me."

   2012, Martha Wells, The Siren Depths

plural underroots

1. IndiaSquare root.

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

   1981, Paruchuri R. Krishnaiah, A Hand Book of Statistics - Volume 1, page 298

   2 more examples

   To take the underroot of (2c-n)/n, the negative (2c-n)/n is multiplied with the minus sign to make it positive since one cannot take the underroot of minus item.

   2008, Tulsian P.C. & Jhunjhunwala Bharat, Business Statistics, pages 7-32

   The Euclidian distance uses the under-root of the squared sum of the difference between individual ratings of the two samples whose similarity we want to find.

   2020, Gulshan Shrivastava, Sheng-Lung Peng, Himani Bansal, New Age Analytics: Transforming the Internet through Machine Learning, page 193