invalid

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in·va·lid

(in'vă-lid),
1. Weak; sick.
2. A person partially or completely disabled.
[L. in- neg. + validus, strong]
Farlex Partner Medical Dictionary © Farlex 2012

invalid

(ĭn′və-lĭd)
n.
One who is incapacitated by a chronic illness or disability.
adj.
1. Incapacitated by illness or injury.
2. Of, relating to, or intended for invalids.
tr.v. inva·lided, inva·liding, inva·lids
1. To incapacitate physically.
2. Chiefly British To release or exempt from duty because of ill health: "I was not quite sick enough to be invalided out, even though I was of no more use" (Mary Lee Settle).
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.

in·va·lid

(in'vă-lid)
1. Weak; sick.
2. A person partially or completely disabled.
[L. in- neg. + validus, strong]
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

invalid

(ĭn′vă-lĭd) [L. in-, not, + validus, strong]
1. A former term for a person who is not well; weak. Use of the term is archaic.
2. Based on false premises, reasonings, or justifications.
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
For instance, the whole toolbox of patent invalidity is not always available before the PTO; challengers alleging invalidity before the PTO are limited to certain attacks while others are unavailable or available only under certain circumstances.
Should the percentage of PTAB invalidity findings decline, the industry perception could change, thus raising the likelihood that patent owners will again press to protect their intellectual property rights.
Although the declaration of the invalidity of the relevant parts of sections 15 and 16 was suspended, the court did not impose a moratorium on criminal liability for sexual conduct by children aged 16 or 17 years.
"consider that fact when determining whether an invalidity defense
(23) According to the court, Federal Circuit precedent and the Supreme Court's decision in KSR did not change the burden of proving invalidity by clear and convincing evidence.
Sotomayor noted that the first paragraph of the Section 282 of the Patent Act of 1952 provides that "[a] patent shall be presumed valid" and "[t]he burden of establishing invalidity of a patent or any claim thereof shall rest on the party asserting such invalidity."
They can hardly be termed invalidity benefit illnesses.
(1) Underwritten by the so-called Knappschaft funds (Knappschaft[en] in the following), the scheme provided cash benefits for compensation of income losses resulting from temporary sickness, permanent invalidity, or death of the breadwinner.
On the invalidity of Anglican Orders, see "The Edwardine Ordinal & Anglican ordinations" by Fr.
Kieran's best mate, Duffy, has never done a day's work in his life and is permanently on invalidity benefit.