What's the difference between rotate and spiral?

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.

Spiral


Definition:

  • (a.) Winding or circling round a center or pole and gradually receding from it; as, the spiral curve of a watch spring.
  • (a.) Winding round a cylinder or imaginary axis, and at the same time rising or advancing forward; winding like the thread of a screw; helical.
  • (a.) Of or pertaining to a spiral; like a spiral.
  • (a.) A plane curve, not reentrant, described by a point, called the generatrix, moving along a straight line according to a mathematical law, while the line is revolving about a fixed point called the pole. Cf. Helix.
  • (a.) Anything which has a spiral form, as a spiral shell.

Example Sentences:

  • (1) Digestion is initiated in the gastric region by secretion of acid and pepsin; however, diversity of digestive enzymes is highest in the post-gastric alimentary canal with the greatest proteolytic activity in the spiral valve.
  • (2) Don't we by chance come across this reciprocal spiral perspective when two people distrust one another without actually showing it?
  • (3) A great deal of information about the spiral bacteria of the stomach has accumulated in the past 5 years.
  • (4) Somalia has faced drought; famine; decades of conflict, now involving the Islamist rebels of al-Shabaab among other groups; the absence of an effective, central authority; and spiralling food prices.
  • (5) Spiral neurons, their fibers and endings as well as inner and outer hair cells express NSE in the isolated organ of Corti in culture.
  • (6) The binding sites were mainly located on the stereocilia, the cuticular plate of hair cells, the head plates of Deiters' cells, fibrous structures in pillar cells, in the spiral limbus and tectorial membrane and basilar membrane, plasma membranes, mitochondria and the chromatin of various kinds of cells.
  • (7) When normalized with respect to scala cross-section, the process of tracer movement across the spiral ligament is similar in the basal and third turns.
  • (8) Tangent-screen studies uncovered neurasthenic spiral fields superimposed on hysterical tubular contractions of both eyes.
  • (9) The phi-model also gives the noble numbers and moreover orders them in a way that establishes connections with the morphogenetic principles used in models for pattern generation; the order has to do with the relative frequencies of the spiral patterns in nature.
  • (10) The row had been inflamed over the weekend by a series of leaks about the spiralling price of Gove's free schools and high costs of Clegg's free school meals, giving Labour ammunition to attack the government's education policy in Westminster.
  • (11) Spiral-like primary dendrites were found and the orientation of secondary dendrites changed.
  • (12) The main uterine, radial and spiral arteries were identified in all patients.
  • (13) In animals receiving passive (unstimulated) implants, morphometric analysis of spiral ganglion cell density showed no significant difference in ganglion cell survival between the implanted cochleas and the contralateral control ears.
  • (14) Later, these vacuoles were divided into numerous vesicular spiral formation-centers, producing micronemes at the apical pole of young merozoites.
  • (15) During more extended exposure (60 and 90 days) the changes in hair cells of the spiral organ, which included nuclear deformation and disintegration of chromatin, mitochondria and endoplasmic reticulum membranes, became irreversible and caused the decay of injured cells.
  • (16) The company's value lies in its FM licence for London, with the audience for its national AM licence spiralling downwards in recent years.
  • (17) The spiral reinforcement at the same time prevents compression of the vein by surrounding cicatricial tissue as well as an aneurysmatic extension of the transplant.
  • (18) The intensity-measuring device in both apparatuses has a mobile disk attached to a motionless axis by a spiral spring; the clamps have fixing screws in the butts of a spong.
  • (19) The balance is fragile and the threat of a spiral of decline is not an idle one.
  • (20) They ran in a spiral pattern in the distal part of the middle cerebral artery.