(n.) An elementary substance, as sodium, calcium, or copper, whose oxide or hydroxide has basic rather than acid properties, as contrasted with the nonmetals, or metalloids. No sharp line can be drawn between the metals and nonmetals, and certain elements partake of both acid and basic qualities, as chromium, manganese, bismuth, etc.
(n.) Ore from which a metal is derived; -- so called by miners.
(n.) A mine from which ores are taken.
(n.) The substance of which anything is made; material; hence, constitutional disposition; character; temper.
(n.) Courage; spirit; mettle. See Mettle.
(n.) The broken stone used in macadamizing roads and ballasting railroads.
(n.) The effective power or caliber of guns carried by a vessel of war.
(n.) Glass in a state of fusion.
(n.) The rails of a railroad.
(v. t.) To cover with metal; as, to metal a ship's bottom; to metal a road.
Example Sentences:
(1) In this study of ten consecutive patients sustaining molten metal injuries to the lower extremity who were treated with excision and grafting, treatment with compression Unna paste boot was compared with that with conventional dressing.
(2) The LD50 of the following metal-binding chelating drugs, EDTA, diethylenetriaminepentaacetic acid (DTPA), hydroxyethylenediaminetriacetic acid (HEDTA), cyclohexanediaminotetraacetic acid (CDTA) and triethylenetetraminehexaacetic acid (TTHA) was evaluated in terms of mortality in rats after intraperitoneal administration and was found to be in the order: CDTA greater than EDTA greater than DTPA greater than TTHA greater than HEDTA.
(3) Our recurrences are due to local infections, removing the metal strut too early, i.e.
(4) "Acoustic" craters were produced by two laser pulses delivered into a saline-filled metal fiber cap, which was placed in a mechanically drilled crater.
(5) These results indicate that the inhibition of CarAc by heavy metals occurs by binding of the sulfhydryl on the enzyme by the metals.
(6) The consequences of proved hypersensitivity in patients with metal-to-plastic prostheses, either present prior to insertion of the prosthesis or evoked by the implant material, are not known.
(7) In general, enzyme activity was strongly reduced by heavy metal inorganic cations; less strongly by organometallic cations, some anions, and certain pesticides; and weakly inhibited by light metal cations and organometallic and organic compounds.
(8) EGTA was ineffective in removing calmodulin from particulate preparations, but treatment with the tervalent metal ion La3+ resulted in a loss of up to 98% of calmodulin activity from these preparations.
(9) Sift the cocoa powder over the top and lightly but thoroughly fold it in with the metal spoon.
(10) The results also suggest that both alkali metals most probably have been delivered to the suckling pups and some of their toxic effect was retarded.
(11) The radioprotective action in E. coli ATCC 9637 of ascorbate added to media containing the weak sensitizer, tetracycline (effect described by Pittillo and Lucas (1967)), was found to be dependent on the presence of metal catalysts of the autoxidation of ascorbate.
(12) This study introduces a simple in vitro arrangement to measure current densities of implant metals.
(13) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
(14) Since the enzyme requires a metal ion (Co2+) we suggest that the RNA and heparin are inhibitory by virtue of their capacity to chelate the Co2+.
(15) Lesions of allergic contact type could not be induced in the oral mucosa to any of the metal salt preparations.
(16) As yet the observations demonstrate that workers exposed in their occupation to heavy metals (cadmium, lead, metalic mercury) and organic solvents should be subjected to special control for detection of renal changes.
(17) This study investigates the photoneutron field found in medical accelerator rooms with primary barriers constructed of metal slabs plus concrete.
(18) While a clearcut relationship cannot be established between heavy metal music and destructive behavior, evidence shows that such music promotes and supports patterns of drug abuse, promiscuous sexual activity, and violence.
(19) The physiologically important metal ion for catalysis is Mg2+; however, Mn2+ supports in vitro activity, though at a reduced level.
(20) We support the view that catalysis by metalloenzymes may be a reflection of the chemistry of the metal ion itself as a Lewis acid, and that perhaps too much emphasis has been placed on supposed special characteristics (such as strains, "entasis") of the enzyme-metal ion association.
Pivot
Definition:
(n.) A fixed pin or short axis, on the end of which a wheel or other body turns.
(n.) The end of a shaft or arbor which rests and turns in a support; as, the pivot of an arbor in a watch.
(n.) Hence, figuratively: A turning point or condition; that on which important results depend; as, the pivot of an enterprise.
(n.) The officer or soldier who simply turns in his place whike the company or line moves around him in wheeling; -- called also pivot man.
(v. t.) To place on a pivot.
Example Sentences:
(1) Excessive accumulation of hydrogen ions in the brain may play a pivotal role in initiating the necrosis seen in infarction and following hyperglycemic augmentation of ischemic brain damage.
(2) The function of motherese has become a pivotal issue in the language-learning literature.
(3) Glucose is the principal source for energy production in the brain, and undisturbed glucose metabolism is pivotally significant for normal function of this organ.
(4) Currently employed clinical indicators of perfusion provide inadequate warning of developing hazards caused by marginal perfusion in certain vital organs or "peripheral" tissues that are pivotal to postsurgical wound healing.
(5) Endobronchial biopsy and bronchial lavage studies following inhaled PAF did not show any increase in the number of activation of eosinophils, which are pivotal in the pathogenesis of BHR.
(6) Turkish police have stormed the offices of an opposition media group days before the country’s pivotal election, in a crackdown on companies linked to a US-based cleric and critic of President Recep Tayyip Erdoğan .
(7) It was the introduction of Aluko that proved pivotal.
(8) This article discusses the effect of existing statutes and case law on three pivotal questions: To what sort of information are people entitled?
(9) It has been generally accepted that the deregulation of oncogenes or their regulators play a pivotal role in progression of this prevalent disease.
(10) The fact that Fraser suggested Pinter write one of the pivotal scenes, in which Emma challenges Jerry to leave his wife, was a revelation, he says.
(11) Marine Rotational Force – Darwin” (MRF-D) is one of four American marine air ground task forces (MAGTFs) in the Asia-Pacific region, along with those in Guam, Hawaii and Okinawa, the sum of which make up a central strategic pillar of the pivot.
(12) Facebook Twitter Pinterest ‘I’m president, they’re not’: Donald Trump at rally in Washington Trump is “much more resilient” than his opponents allow, said Newt Gingrich, the former House speaker, before pivoting to a plug for his new book, Understanding Trump .
(13) Twitter has become pivotal in organising anti-government dissent in the past year: the Occupy Gezi movement, which marches against the recently passed internet censorship bill that allows the government to block any content within four hours without a court order, and the massive street protest and the funeral attended by hundreds of thousands after the death of 15-year-old Berkin Elvan , were initiated via social media.
(14) Verbal and non verbal communication skills (with the patient and the team) are pivotal in this approach; relatives are considered partners in the care of the patient and an essential element of the caring environment.
(15) This year will mark the start of a pivotal chapter for development as the UN finalises ambitious goals this autumn to improve all lives and secure a healthy planet.
(16) The 5' cap structure of eucaryotic mRNA plays a pivotal role in mRNA metabolism.
(17) Thirty years after one of the pivotal clashes in the miners' strike of 1984 when violent confrontations erupted at the Orgreave coking plant, the area outside Sheffield could barely look more different.
(18) Arthritic symptoms were present at operation in thirty patients, while thirty-four had no postoperative objective signs of pivot shift or instability.
(19) Two lines of evidence indicate that the general transcription factor TFIIB is a pivotal component in the mechanism by which an acidic activator functions.
(20) If cortical actin filaments are disrupted with dihydrocytochalasin B, processes form that are similar to those induced by dBcAMP suggesting that the disruption of the cortical actin network is the pivotal step in process formation.