(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.
Rotate
Definition:
(a.) Having the parts spreading out like a wheel; wheel-shaped; as, a rotate spicule or scale; a rotate corolla, i.e., a monopetalous corolla with a flattish border, and no tube or a very short one.
(v. i.) To turn, as a wheel, round an axis; to revolve.
(v. i.) To perform any act, function, or operation in turn, to hold office in turn; as, to rotate in office.
(v. i.) To cause to turn round or revolve, as a wheel around an axle.
(v. i.) To cause to succeed in turn; esp., to cause to succeed some one, or to be succeeded by some one, in office.
Example Sentences:
(1) To determine the accuracy of double-contrast arthrography in complete rotator cuff tears, we studied 805 patients thought to have a complete rotator cuff tear who had undergone double-contrast shoulder arthrography (DCSA) between 1978 and 1983.
(2) When the posterior capsule was sectioned, no significant changes were noted in the severity of the sag or the rotation.
(3) The Ta loop was a smooth, elongated ellipse in configuration and showed clockwise rotation in all planes, as did the P loop.
(4) With this system, a brain region loaded with fura-2 was illuminated by a rotating disc bearing three different interference filters of 340, 360 and 380 nm at a rate of 600 rpm.
(5) The automatic half of both the motor which advances the trepan as well as the second motor which rotates the trepan is triggered by the sudden change in electrical resistance between the trepan and the patient's internal body fluid, at the final stage of penetration.
(6) This series of tests included tests for pathologic nystagmus, saccades, smooth pursuit, and optokinetic nystagmus, as well as bithermal caloric testing and rotational testing.
(7) The adherence of 51Cr-labeled platelets to rabbit aortae everted on probes rotated in platelet-red cell suspensions has been measured.
(8) We have used a modification of the rotating-frame imaging technique to measure PCr-to-ATP ratio non-invasively in human heart.
(9) Experimental evidence suggested that nucleosome rotational positioning is determined by the DNA sequence itself.
(10) The X-ray tube rotates outside the detector array at the rate of one revolution per second.
(11) The data collection scheme for the scanner uses multiple rotations of a linearly shifted, asymmetric fan beam permitting user-defined variable resolution.
(12) The purity and configuration of each isomer of the free acid and N-chloroacetylated derivative were ascertained by: (a) paper chromatography in five solvent systems, (b) elemental analysis, (c) Van Slyke nitrous acid determination of alpha-carbonyl carbon, and (d) Van Slyke ninhydrin determination of alpha-carbonyl carbon, and (e) optical rotation.
(13) Based on our experience with the mark I prosthesis we have designed and developed a mark II model which has freedom of axial rotation of the saddle.
(14) The reported study demonstrates that performance asymmetries between normal or reflected letters presented in the right and left visual field favors the right visual field when stimulus patterns are blocked and rotated 90 degrees clockwise and favors the left visual field when they are blocked and rotated 90 degrees counterclockwise.
(15) Moreover, the majority of the 'out of phase' units showed an increased discharge during side-up animal tilt and side-down neck rotation.
(16) 3-D curves were computed with an apparent rotation around the vertical axis Z.
(17) Subsequently, due to the rotation of the original polar axis in one hemisphere, the third cleavage plane through one half of the egg is transverse to the third cleavage plane through the other half.
(18) This suggests that S1 is a flexible protein with at least two domains that can rotate independently.
(19) Per-rotational nystagmus was recorded in rabbits with unilaterally narrowed vertebral arteries or following unilateral cervical sympathectomies.
(20) We found that the Gallie system generally allowed significantly more rotation in flexion, extension, axial rotation, and lateral bending than the other three fixation techniques.