root system

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root system

n.
1. All of the roots of a plant.
2. The arrangement of the roots of a plant: a branched root system.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.root system - a developed system of rootsroot system - a developed system of roots    
system, scheme - a group of independent but interrelated elements comprising a unified whole; "a vast system of production and distribution and consumption keep the country going"
root - (botany) the usually underground organ that lacks buds or leaves or nodes; absorbs water and mineral salts; usually it anchors the plant to the ground
References in periodicals archive ?
is the disjoint union of the set of positive roots [[PHI].
Thus, there are 3 x 6 = 18 complex root pairs out of which positive roots u, [upsilon] are to be chosen.
n] are positive roots of the following transcendent equation
i], (i = 1, 2) are the positive roots, then the solution of (23) for z [greater than or equal to] 0 and [k.
in] 1 we reduce the problem to the analysis of the number of positive roots of the polynomial
of positive roots such that [alpha] [greater than or equal to] [beta] if [alpha] - [beta] [member of] [Z.
The approximate positive roots to the cubic are a and [square root of 3/[lambda]].
The root poset for a Coxeter group W is a partial order on positive roots given by [alpha] [less than or equal to] [beta] [member of] [[PHI].
The exponents can also be calculated directly from R via the Shapiro-Steinberg-Kostant rule: the multiplicity of m as an exponent of R is the number of positive roots of height m minus the number of positive roots of height m + 1.
Panyushev, On orbits of antichains of positive roots, Europ.