invert

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Related to invertible: Invertible function

invert

1. Psychiatry
a. a person who adopts the role of the opposite sex
b. another word for homosexual
2. Architect
a. the lower inner surface of a drain, sewer, etc.
b. an arch that is concave upwards, esp one used in foundations

invert

[′in‚vərt]
(civil engineering)
The floor or bottom of a conduit.

invert

invert
In plumbing, the lowest point or the lowest inside surface of a channel, conduit, drain, pipe, or sewer pipe.
References in periodicals archive ?
With the assumption that the covariance matrix O is invertible, the vector of the expected excess rate of return R-r in CAPM can be rewritten as
Since not all multivectors are invertible, we have to be satisfied with reverses [5] of multivectors.
Since the latter are assumed to be invertible, Hilbert-Schmidt norm approximation does not apply.
In particular, if the matrix E is invertible, then it may be possible to estimate the true sample proportions by multiplying both sides of Equation A3 by the inverse matrix [E.
The projective transformation is an invertible transformation between two projective planes and their essential feature is the point-to-line mapping.
The Western-style semi-buckhorn rear sight has a separate, invertible notch-plate, giving you a choice of a deep U-notch or a smaller V-notch.
Theorem 6 (Banach Lemma on Invertible Operators), Argyros (2005):
The algorithm is called invertible if an attacker creates a faked watermark [W.
The mathematical rationale of the described methods rests on the solvability and inertia of Hermitian solutions of matrix equations, as well as the theory of linear equations with positively invertible operators in a partially ordered space.
Since we do not assume that A is invertible, we write
To overcome any potential flow problems with the batch handling of this material, invertible IBC bins with a larger outlet were used to upset the consolidation of the material and ensure reliable flow.