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 ?
Assume that [??] and show that then system (2) is right invertible. According to Definitions 6 and 7, this is so when one can provide the rules for computing the input sequence [??] such that [??] for t [greater than or equal to] 0.
Bach, whose Fugue in C-Sharp Minor, BWV 849--one of only two five-voice fugues in the Well-Tempered Clavier--contains three invertible subjects, first appearing at mm.
Unfortunately, parameters of UOV in [33] are not suitable for Circulant UOV because we have to make o slightly larger to prevent the HighRank attack and make L easily invertible. This will make the ration between v and o slightly smaller, as the complexity of the UOV attack can be estimated by [q.sup.v-o-l] *[o.sup.4].
In fact, T is bijective and so T is invertible. Since [for all]x, y, z [member of] X,
Positioning of the Invertible Element Changes after Type 1 Pili Binding to Mannose Receptors.
Besides, it is assumed that the operator [W.sub.[tau]](z) = 1 - [[??].sub.[tau]](z) is boundedly invertible for all z in a neighborhood w of zero.
Zubair, "Invertible and Fragile Watermarking for Medical Images Using Residue Number System and Chaos," J.
The transition ([s.sub.1], [s.sub.2], a/0) of [M.sub.1] in Figure 2 is invertible and (a/1)(b/1) is a UIO sequence of [s.sub.2], then (a/0)(a/i)(b/1) is an invertibility-dependent UIO sequence of [s.sub.1].
One can verify without difficulty that for sufficiently small h, the Jacobian of [H.sub.i] is boundedly invertible, i.e., it is invertible and the inverse as a function of h is bounded.
For right invertible system (1), [M.sup.R] denotes an infinite number of right inverse of M.
So we see that an arbitrary elliptic periodic symbol [[sigma].sub.d]([xi]) corresponds to an invertible operator [K.sub.d] in the space [L.sub.2](h[Z.sup.m]).
(ii) a function t [equivalent to] [[tau].sub.l] ([x.sub.j]) = [[PSI].sub.2]([[theta].sub.l]), ..., [[PSI].sub.j- 1]([[theta].sub.l]), [x.sub.j], [[PSI].sub.j+1]([[theta].sub.l]), ..., [[PSI].sub.n]([[theta].sub.l])) is invertible near [x.sub.j] = [x.sup.0.sub.j] = [[PSI].sub.j]([[theta].sub.l]) for [x.sub.j] [member of] [x.sup.0.sub.j] or [x.sub.j] [greater than or equal to] [x.sup.0.sub.j], and the one sided derivative [mathematical expression not reproducible] is equal to zero, respectively.