(n.) The time when the sun enters one of the equinoctial points, that is, about March 21 and September 22. See Autumnal equinox, Vernal equinox, under Autumnal and Vernal.
(n.) Equinoctial wind or storm.
Example Sentences:
(1) Dose rates are integrated with respect to time to obtain estimates of mean doses for various periods during clear days at Rockville in mid summer and near the autumnal equinox.
(2) The date of the spring equinox varies from 19 to 21 March depending on location and corrections due to the mismatch between the Gregorian calendar, which logs 365 days a year, and the duration of Earth's orbit around the sun, which takes 365.25 days to complete.
(3) Plasma melatonin was measured at the summer and winter solstices and the autumn and spring equinoxes in Romney Marsh sheep held under natural conditions in South Australia (35 degrees S).
(4) Female Suffolk sheep were pinealectomized around the vernal equinox to eliminate the major environmental input to the reproductive system (photoperiod) and then either isolated from, or maintained with, pineal-intact gonad-intact sheep.
(5) At 6-14 days after each of the solstices and equinoxes, six females were exposed to a photoperiod equivalent to the natural day length at these times.
(6) Seven out of 14 acrophases of cyclic indices occurred just before autumnal equinox and three before vernal equinox.
(7) While the equinox signals a time when day and night are equal, the moment when both share 12 hours apiece happens days earlier, because of atmospheric effects.
(8) At approximately the spring and autumn equinox and the summer and winter solstice, rats were killed at 3-h intervals over a 24 h period and their serum thyroxine (T4), triiodothyronine (T3) and reverse T3 levels were determined.
(9) At higher latitudes, where changes in daylength are pronounced, a steep increase in human conceptions coincides with the vernal equinox.
(10) With less than a week to go until the Sun crosses northwards over the equator at the vernal equinox, it is showing real signs of rebirth in another respect.
(11) Downstream of the zone, a man called Sanders arrives at a remote town called Port Matarre just before the equinox.
(12) In a group of six rams, the seasonal changes of melatonin were characterized in samples collected at 10-min intervals for an equal period before and after the median of the scotophase during the spring (March) and the autumn (September) equinoxes, and also during the summer (June) and the winter (December) solstices.
(13) The mitotic activity in the adenohypophysis of male rats during a 24 hours' cycle has been studied at the time of the spring equinox.
(14) Shortly after the autumnal equinox, three groups of ovariectomized ewes bearing s.c. Silastic implants of estradiol were placed in different lighting environments.
(15) In both stations, at solstice and equinox, thirty 15 month-old Holstein bulls were blood sampled for plasma LH, testosterone, thyroxine and triiodothyronine determination.
(16) Swedish law would not allow them to be sued in Sweden, but the British publishers of the paper, Equinox, withdrew it under the threat of a libel suit in the English courts.
(17) Interpreted according to this hypothesis, the sexual cycle of the mink under natural photoperiodic conditions is also explained by seasonal gonadotropic stimulation beginning after the autumn equinox when in our latitudes daily light duration is less than 12 hr.
(18) At the equinoxes and solstices, unrestricted subjects had hourly urine collections followed by venous blood sampling taken under natural light conditions for 24 hours.
(19) For those in the southern hemisphere, the same equinox marks the arrival of autumn and longer nights.
(20) The rats were analyzed at 3 h intervals during 24 h approximately at the time of the vernal and autumnal equinox and at the winter and summer solistice.
Intersection
Definition:
(n.) The act, state, or place of intersecting.
(n.) The point or line in which one line or surface cuts another.
Example Sentences:
(1) If Cory Bernardi wasn’t currently in a period of radio silence as he contemplates his immediate political future he’d be all over this too, mining the Trumpocalypse – or in our domestic context, mining the fertile political fault line where Coalition support intersects with One Nation support.
(2) Using the intersection point of these pH-logPCO2 lines as a point of equal hemoglobin-independent "base excess" for each condition, values for true base excess were plotted.
(3) At 5 micrometer and 2.5 mM sulphanilic acid under aerobic conditions, the regression lines for the permeation from lumen to blood pass almost through the origin, while the regression lines for the permeation from blood to lumen intersect the ordinate at a positive Y-value.
(4) The two molecules in the asymmetric unit form a dimer with its 2-fold axis perpendicular to and intersecting with a crystallographic 4(1) axis.
(5) Senator Edward Kennedy lived his life precisely at the crossroads of all that he encountered – at the intersection of statesmanship, of history, of moral purpose, of tragedy, of compromise.
(6) A combination of direct measurement and point and intersection counting techniques was used.
(7) Quantitative cell types were determined by a grid intersection counting technique at x 1000.
(8) Protests on Wednesday evening continued as smaller groups marched on the city centre, temporarily shutting down traffic on some intersections.
(9) In considering hardware, the optimum detector system for cone-beam tomography is a system that satisfies the data sufficiency condition for which the scanning trajectory intersects any plane passing through the reconstructed region of interest.
(10) There is the sound of engines hissing and crackling, which have been mixed to seem as near to the ear as the camera was to the cars; there is a mostly unnoticeable rustle of leaves in the trees; periodically, so faintly that almost no one would register it consciously, there is the sound of a car rolling through an intersection a block or two over, off camera; a dog barks somewhere far away.
(11) By late afternoon, the intersection of North Avenue and Fulton Avenue had been turned into what one man – bottles of cognac in each hand – called an “open bar”.
(12) These pH-activity profiles gave an intersection at pH 6.6.
(13) Coyne said the project would “greatly enhance our understanding of the intersection of the important issues at play in contemporary Australia and internationally regarding climate change, natural resource conservation and human rights – particularly the rights of Indigenous peoples”.
(14) A projection-less strip appears at the expected retinotopic position in both grisea intersecting radially all the strata of the corresponding neuropiles.
(15) Measurements of the angle of the gibbus and the angle of intersection of the renal axes were made in 68 children with thoracolumbar meningomyelocele.
(16) Moonlight wins best picture Oscar, after Warren Beatty gives gong to La La Land Read more “Peak blackness is a rare metaphysical anomaly that can only occur when an amalgam of black excellence comes together at the same societal intersection,” he said.
(17) Rather than individual voxels, a new exact algorithm is presented that considers the CT data as consisting of the intersection volumes of three orthogonal sets of equally spaced, parallel planes.
(18) Then the intersect of regression line of food hoarded during meal time vs. body weight with the X-axis was measured.
(19) Very few input data are sufficient to enable the program to work out an optimized dose distribution; optimization is obtained by modifying the intersection point of beams and the size, the wedge and the time of each beam.
(20) The intersectional variation in the morphometrically determined collagen density within the sponges was below 20%.