(v. t.) To render invalid; to weaken or lessen the force of; to destroy the authority of; to render of no force or effect; to overthrow; as, to invalidate an agreement or argument.
Example Sentences:
(1) Especially in the old patients (over 70 years) the incisional hernias represents an invalidating pathology whose treatment, for the high incidence of associated diseases of respiratory and cardiocirculatory apparatus in the aged, offers difficulties connected both to surgical methods and to the perioperative evaluation and preparation of patients.
(2) Thus neither the presence of changes in RS-T segment or T wave nor the absence of QRS changes are mandatory for the diagnosis of SEMI; this invalidates the common assumption that the diagnosis is not justified unless these conditions are met.
(3) It was found that good results had 53.2% of the patients, 12.8% of the patients had limited working capacity, 4.6% of the patients became invalids.
(4) Awareness of problems that may arise in the physician-patient relationship may prevent such outcomes as suicide, anxiety, hypochondriasis, invalidism and psychotic symptoms.
(5) It imposes a standard of logical reductionism and methodological purity that not only violates the nature of psychoanalytic knowledge, but imposes an invalid standard of verification and scientific confirmation.
(6) In this event it may be possible to prevent invalidating effects on fertility and chronic pelvic pain.
(7) Lutzomyia may be defined geographically, but the use of geographical distribution in taxonomy leads to circular biogeographical arguments, and is invalid.
(8) 36% of the group had abstained from further drug taking, 27% were taking them periodically, 32% had to be treated again and 5% had deteriorated (trend towards invalidism).
(9) Jim Devine, Labour MP for Livingston, was reportedly under investigation for invoices he submitted for electrical work worth more than £2,000 from a company with an allegedly fake address and an invalid VAT number.
(10) Sources of invalidity may relate to subject factors or to circumstances under which data are collected.
(11) The postulated interference of therapeutic levels of alpha-methyldopa on the phosphotungstate uric acid method was invalid.
(12) These recent findings invalidate our previous conclusion that isozyme 3a is not induced by ethanol treatment of rabbits.
(13) Respecting the frequency of invalidity this cancer pretends the second place among these diseases.
(14) Any criminal cases which rested on acquisition of data through the directive could also be called into question, because the court decided that "the declaration of invalidity takes effect from the date on which the directive entered into force" – that is, 2006.
(15) It is emphasized that various effects of anaesthetics unrelated to their anaesthetic properties may obscure or even invalidate results obtained with drugs acting on the peripheral sympathetic nervous system.
(16) In clinical trials, information and consent problems usually relate to the possibility that information given the participant will invalidate the findings.
(17) But the appeals court decided that while the warrants were defective in some respects it was not enough to declare them invalid.
(18) She emphasizes the mortality life expectancy at birth, abortion rate, work incapacity on account of illness and injury, morbidity from diabetes and tuberculosis, the trend of newly detected malignant tumours and causes of invalidity.
(19) Trainmen and railroad clerks were used as reference cohorts.The engineers had relatively high invalidity and mortality rates in comparison to the reference groups, especially with respect to cardiovascular diseases and malignant tumors.
(20) Results were invalidated if calculations were based on initial slope of the wash-out curves.Topical application of beta-methasone valerate in a reduction in cutaneous blood flow as measured by the intracutaneous technique with curve resolution, whereas no effect could be demonstrated when calculations were based on the initial slopes of the curves.
Nullify
Definition:
(a.) To make void; to render invalid; to deprive of legal force or efficacy.
Example Sentences:
(1) But Di Matteo has made bold selections before, not least when he asked Ramires to play on the left of midfield against Barcelona in an attempt to nullify the threat posed by the marauding Daniel Alves down the flank.
(2) The case, which highlighted the ultimate power of commanders as "convening authorities" to nullify a conviction by a military jury, became a focus of last month's Senate hearing on military sexual assault .
(3) The protective effects of NG-nitro-L-arginine methyl ester were nullified by adding an excess of L-arginine to the pump circuit, suggesting that the L-arginine-NO pathway is involved in myocardial reoxygenation injury.
(4) This is a further fact to nullify the theory of the paraganglionic origin of alveolar soft part sarcoma, but the question of the histogenesis of the tumor still remains open.
(5) Genetic abnormalities that give rise to malignancy in these leukaemic cells can be bypassed and their effects nullified by inducing differentiation, which stops cells from multiplying.
(6) The in vivo anti-tumor activity of spleen cells of mice in regression was nullified by treatment with anti-Thy 1 and anti-Lyt 1 plus C, but not anti-Lyt 2 plus C. These results indicate that CY administration results in only a transient decrease of tumor cell number and that an induction of Lyt 1 +, Lyt 2 + T cells in the peritoneal cavity and Lyt 1 + T cells in spleen may be responsible for a complete disappearance of tumor cells.
(7) Civil libertarians contend that legal restrictions preventing the government from intentionally targeting an American using surveillance tools for uncovering foreign intelligence information are nullified if the government can collect vast swaths of data and maintain unrestricted leeway to search through it.
(8) The only way to nullify that is to turn the television off.
(9) This scenario would in effect nullify an internationally agreed goal to keep the increase in average global temperatures below 2C from pre-industrial levels.
(10) The medico-legal expertise having having concluded to non-paternity because of a marked dissimilarity between the Y chromosomes, the Paris Court of law accepted these conclusions and gave a sentence nullifying a previous paternity recognition.
(11) I’d like to see the next president turn around and just nullify it on behalf of the United States,” Kerry said.
(12) This infrequent complication, which may result from a conflict of force vectors at the hip joint during lengthening, can, when left untreated, nullify the benefits of such a procedure.
(13) Come the bell, the upstart nervelessly played it cool, almost a laughingly gay matador, his speed of hand and foot totally nullifying Liston’s wicked jab, the key to his armoury.
(14) The increase in deltaP and a numerical decrease in piA both acted to maintain sngfr after AGBM Ab and effectively nullified the influence of decreased rpf upon sngfr.
(15) The NA-induced hyperpolarization was nullified at -89 to -92 mV of membrane potentials (n = 3).
(16) The initial difference of 24 h was not nullified, but decreased to 8 h. This difference allowed transferred foetuses to pass the period of maximum sensitivity before salicylate treatment.
(17) When the same dose of insulin was infused with the antiserum to human IGF-I, the growth response was completely nullified.
(18) Anti PL-V Ig (antibodies to a toxic phospholipase A2 VRV PL-V of V. russelli venom) nullifies the toxicity of whole V. russelli venom to a great extent.
(19) We nullified Bolasie, frustrated Zaha and haven’t allowed Palace to create any clear-cut chances.
(20) The functions of these 'successful defence' manoeuvres are to obviate any feelings of an awareness of envy, although they may be overtly envious attacks within themselves, secondly they nullify any awareness of dependence, and also nullify awareness of need and illness, and thirdly they maintain the narcissistic organization by producing a successful identificate.