(v. t.) To eat away by degrees; to wear away or diminish by gradually separating or destroying small particles of, as by action of a strong acid or a caustic alkali.
(v. t.) To consume; to wear away; to prey upon; to impair.
(v. i.) To have corrosive action; to be subject to corrosion.
Example Sentences:
(1) The anodic polarization profiles are presented, as well as scanning electron micrographs and x-ray analysis of the corroded amalgam surfaces.
(2) It has increased costs, jeopardized the delivery of necessary medical services, and corroded the physician-patient relationship with mistrust and poor morale.
(3) In some cases the deposits appear to be caused by pulsing the electrode with current, while in other cases the deposits are corroded or abraded from the electrode or are otherwise not associated with the neuroprosthetic functioning of the implant.
(4) The authors investigated two cryostimulation regimes: working temperature -70 degrees C, 10 points for 7 seconds on the borderline of the corroded area of the cornea, and working temperature of -160 degrees C, 10 points and four seconds on the limbus of the cornea.
(5) Of corroding bacilli, Bacteroides gracilis was detected in 23% of the infants, Wolinella spp.
(6) Fourteen strains of Eikenella corrodens isolated from human oral cavity were studied to determine corroding characteristics.
(7) Even in 1967, Israel's wisest voices saw that the occupation would steadily corrode Israeli society from the inside There is no shortage of evidence of that moral corruption.
(8) Scanning electron microscopy of these corroded casts was performed.
(9) "There comes a time when the cup of endurance runs over" ... "Amen" from the crowd, " ... and men are no longer willing to be plunged into an abyss of injustice where they experience the bleakness of corroding despair ... " " Yes, Lord."
(10) All the amalgams corroded along the grain boundaries in the gamma 1 phase.
(11) These corroding bacilli were further divided into 3 species on the basis of DNA hybridization studies using radiolabeled DNA from 2 representative corroding bacilli.
(12) A numerical taxonomic study of 64 strains of anaerobic Gram-negative bacilli isolated from men with non-gonococcal urethritis, two unclassified laboratory strains of 'corroding bacilli', and 12 other strains of anaerobic Gram-negative bacilli, including nine received as anaerobic curved rods and three as 'Bacteroides corrodens' (B. ureolyticus), isolated from women with bacterial vaginosis, was undertaken.
(13) The vascular pathways associated with the glomerulus of the Atlantic hagfish, Myxine glutinosa have been studied by scanning electron microscopy of corroded resin casts of the vasculature.
(14) We studied the micro-architecture of the rat femoral head using a corroding casting method described by Murakami in comparison with haematoxylin-eosin preparation and transparent preparation.
(15) Under the experimental conditions the non-gamma 2-amalgams were more corroded than the conventional amalgam.
(16) On SEM of the Superbond material placed in contact with corroded metal and enamel, retentive structures were found to spread, thus producing a micromechanical bond.
(17) The oceans turned acidic, corroding the sea floor; the waters warmed, and countless organisms perished in a great extinction event.
(18) The % G + C content of E. corrodens strains varied from 56 to 58%, and from 56 to 60% for unidentified corroding bacilli.
(19) The amalgams were poorly contoured and had corroded, resulting in continued release of mercury ions.
(20) The two outer ring zones yielded bacteria that formed agar surface colonies of spreading-corroding morphology, while cells from the innermost zone always yielded colonies with a different morphology.
Gnaw
Definition:
(v. t.) To bite, as something hard or tough, which is not readily separated or crushed; to bite off little by little, with effort; to wear or eat away by scraping or continuous biting with the teeth; to nibble at.
(v. t.) To bite in agony or rage.
(v. t.) To corrode; to fret away; to waste.
(v. i.) To use the teeth in biting; to bite with repeated effort, as in eating or removing with the teethsomething hard, unwiedly, or unmanageable.
Example Sentences:
(1) )-induced gnawing behavior in rats was slightly more potent than that of clocapramine.
(2) Gallic wine sales in the UK have been tumbling for the past 20 years, but the news that France, once the largest exporter to these shores, has slipped behind Australia, the United States, Italy and now South Africa will have producers gnawing their knuckles in frustration.
(3) This suggests that the locomotor stimulation induced by amphetamine involves central norepinephrine, while dopamine neurons play an important role in the induced compulsive gnawing behavior.
(4) The gnawing behavior is probably associated with the increase in brain dopamine resulting from this treatment.
(5) And those who preach or teach extremism, those who say we should not respect other Australians, those who seek to gnaw away at that social fabric, are not helping the Australian dream.
(6) The IT administration of THA, nicotine and cytisine was also associated with gnawing, vocalization and hyperactivity and in the case of THA, diarrhoea.
(7) Apomorphine-induced gnawing and licking but not sniffing were attenuated in rats with GP lesions.
(8) In control rats, SKF 38393 enhanced the stereotyped responses induced by quinpirole, converting lower-level stereotypies (sniffing and rearing) to more intense oral behaviors (licking and gnawing).
(9) Previous reports demonstrated that hypothalamic stimulation may elicit either eating, drinking, or gnawing and emphasized both the specificity of the neural circuits mediating these behaviors and the similarity to behavior during natural-drive states such as hunger and thirst.
(10) The thymoleptics imipramine, desipramine, protriptyline, nortriiptyline, chlorimipramine and amitriptyline all potentiate gnawing of mice induced by Dopa following decarboxylase inhibitior Ro 4-4602.
(11) This study was designed to assess whether phencyclidine (PCP) produces dopamine (DA)-dependent behaviors such as licking, gnawing and biting (which are not observed in normal rats) in rats after pretreatments with a tryptophan hydroxylase inhibitor, p-chlorophenylalanine (PCPA) and specific serotonergic neuronal toxin, p-chloroamphetamine (PCA).
(12) In freely moving conditions, electrical brain stimulation (EBS) of this part of the mesencephalon elicited mainly aversive effects (escape reactions: violent running and explosive jumps), but also ipsiversive circling and "gnawing."
(13) In contrast, bilateral intranigral injection of the selective delta agonist D-Pen2,D-Pen5 enkephalin (DPDPE) elicited dose-dependent exploratory behavior and rearing but failed to produce gnawing.
(14) The specific D-2 agonist LY 171555 elicited yawning, genital grooming, exploratory behavior, downward sniffing and licking but failed to induce gnawing even at high doses.
(15) The behavior categories included grooming, yawning, turning, nodding and gnawing, as well as snout contact and nonsnout contact variants of locomoting, rearing and sitting.
(16) The big four supermarket chains are battling over the squeezed middle market which is being gnawed away by Waitrose at the top and the rapidly expanding discounters Aldi and Lidl at the bottom.
(17) In order to test the possibility that the substantia nigra (SN) might be involved, the amount of food intake and gnawing produced by mild tail pinch were assessed following bilateral microinjections of opioid antagonists into the SN.
(18) When B-HT 920 was combined with SKF 38393 following pretreatment with idazoxane, both the intensity and form (continual licking and gnawing) of stereotyped behavior was enhanced.
(19) The effects of clonidine, an indirectly-acting cholinergic antagonist, on 5 behaviors elicited by atropine (locomotion, rearing, sniffing, grooming and gnawing) were studied in rats.
(20) The sensory word descriptors (crushing, sharp, tearing, cutting, penetrating, gnawing, dull, pulling, sore, stinging, pricking and pinching) and the affective word descriptors (dreadful, torturing, killing, unbearable, terrifying, suffocating, exhausting, unhappy, troublesome, annoying, irritating and fearful) are suggested as a foundation upon which a pain assessment tool could be developed for use in clinical practice.