(n.) A portion of time as limited and determined by some recurring phenomenon, as by the completion of a revolution of one of the heavenly bodies; a division of time, as a series of years, months, or days, in which something is completed, and ready to recommence and go on in the same order; as, the period of the sun, or the earth, or a comet.
(n.) A stated and recurring interval of time; more generally, an interval of time specified or left indefinite; a certain series of years, months, days, or the like; a time; a cycle; an age; an epoch; as, the period of the Roman republic.
(n.) One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology.
(n.) The termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion.
(n.) A complete sentence, from one full stop to another; esp., a well-proportioned, harmonious sentence.
(n.) The punctuation point [.] that marks the end of a complete sentence, or of an abbreviated word.
(n.) One of several similar sets of figures or terms usually marked by points or commas placed at regular intervals, as in numeration, in the extraction of roots, and in circulating decimals.
(n.) The time of the exacerbation and remission of a disease, or of the paroxysm and intermission.
(n.) A complete musical sentence.
(v. t.) To put an end to.
(v. i.) To come to a period; to conclude. [Obs.] "You may period upon this, that," etc.
Example Sentences:
(1) Without medication atypical ventricular tachycardia develops, in the author's opinion, most probably when bradycardia has persisted for a prolonged period.
(2) Disease stabilisation was associated with prolonged periods of comparatively high plasma levels of drug, which appeared to be determined primarily by reduced drug clearance.
(3) Although the mean values for all hemodynamic variables between the two placebo periods were minimally changed, the differences in individual patients were striking.
(4) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
(5) Under blood preservation conditions the difference of the rates of ATP-production and -consumption is the most important factor for a high ATP-level over long periods.
(6) No significant change occurred in the bacterial population of our hospital unit during the period of the study (more than 3 years).
(7) The secondary leukemia that occurred in these patients could be distinguished from the secondary leukemia that occurs after treatment with alkylating agents by the following: a shorter latency period; a predominance of monocytic or myelomonocytic features; and frequent cytogenetic abnormalities involving 11q23.
(8) Sixteen patients in whom schizophrenia was initially diagnosed and who were treated with fluphenazine enanthate or decanoate developed severe depression for a short period after the injection.
(9) During the study period four family outbreaks and seven recurrences of infection were observed.
(10) After a period on fat-rich diet the patient's physical fitness was increased and the recovery period after the acute load was shorter.
(11) During this period he developed autoimmune haemolytic anaemia, a rare complication of myelofibrosis.
(12) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
(13) Most thyroid hormone actions, however, appear in the perinatal period, and infants with thyroid agenesis appear normal at birth and develop normally with prompt neonatal diagnosis and treatment.
(14) Maximal aberration yields were observed for 2,4-diaminotoluene, 2,6-diaminotoluene and cytosine beta-D-arabinofuranoside from 17 to 21 h, eugenol from 15 to 21 h, cadmium sulfate from 15 to 24 h and 2-aminobiphenyl, from 17 to 24 h. For adriamycin at 1 microM, the % aberrant cells remained elevated throughout the period from 9 to 29 h, while small increases at 0.1 microM ADR were found only at 13 and at 25 h. For most chemicals the maximal aberration yield occurred at a different time for each concentration tested.
(15) Accuracy of discrimination of letters at various preselected distances was determined each session while Ortho-rater examinations were given periodically throughout training.
(16) During electrophysiologic study, the effect of propafenone on the effective refractory period of the accessory pathway was determined, as well as its effect during orthodromic atrioventricular (AV) reentrant tachycardia and atrial fibrillation.
(17) Time-series analysis and multiple-regression modeling procedures were used to characterize changes in the overall incidence rate over the study period and to describe the contribution of additional measures to the dynamics of the incidence rates.
(18) Throughout the period of rehabilitation, the frequent changes of a patient's condition may require a process of ongoing evaluation and appropriate adjustments in the physical therapy program.
(19) Anthropometric and nutritional (serum albumin and transferrin) values were normal in both groups both at the beginning and at the end of the treatment period.
(20) Analysis of conjugated discharges ACHs showed that they appeared predominantly periodically (87% of cases).
Wane
Definition:
(v. i.) To be diminished; to decrease; -- contrasted with wax, and especially applied to the illuminated part of the moon.
(v. i.) To decline; to fail; to sink.
(v. t.) To cause to decrease.
(n.) The decrease of the illuminated part of the moon to the eye of a spectator.
(1) These were not observed in area 5, although here the distribution of callosal neurons waxed and waned in the tangential cortical plane.
(2) Follow-up results from 10 controlled trials are consistent with waning of BCG protective efficacy with time since vaccination.
(3) Pharmacists are criticized for a failing sense of mission and a waning dependence on knowledge.
(4) The acquired immunodeficiency syndrome (AIDS) epidemic shows no sign of waning.
(5) Ferguson’s influence at Old Trafford has clearly waned since the Moyes appointment but, notably, there is no admission on his part that he chose the wrong man, insisting that the club followed a rigorous and methodical selection process.
(6) The wane in US power over the country it invaded eight years ago, coupled with a return to political prominence for Sadrists, seems to have been enough to lure Sadr back to Najaf, which he fled in 2004 after it was surrounded by US troops.
(7) Pretreatment with cyclophosphamide caused a delay in the development and waning of reactivity.
(8) Since then of course his popularity has waned, his net satisfaction rating is now negative.” The latest Newspoll has Labor ahead by two percentage points in two-party preferred terms (49% to 51%).
(9) It is suggested that the response of prenatally stimulated animals had waned before birth.
(10) After rising employment has failed to lift output as far as hoped, this reflects waning hopes about the potential of the UK economy once restored to full pelt.
(11) IL-2 production in soluble egg Ag-stimulated spleen cells of mice was detectable at 6, peaked at 8 and waned by 20 wk of the infection.
(12) High concentrations of cobratoxin depressed indirect twitches and endplate potentials (e.p.ps) without inducing waning of contractilities or run-down of trains of e.p.ps evoked at 10-100 Hz.
(13) The level of antigranulocyte antibody in the serum often begins to wane prior to improvement in the ANC and can give an indication of when recovery will begin to occur.
(14) We have already seen in this World Cup that European powers are on the wane.
(15) The effect began to appear in about 20 min after administration, the peak effect was attained in 120 min and later on this waned off completely by 24 h. The effect was similar in young (15 days) and in adult (70 days) rats.
(16) It is provisionally suggested that enhancement of the perseveration represents an innate response to stressful stimuli, but as animals learn mastery over the response contingencies, the persistence in adopting such a response strategy wanes.
(17) The placebo effect gradually waned, but the response to the active combination was maintained for the duration of the study.
(18) Other evidence is provided by the waning and waxing of gastritis, which has been correlated in several studies with clearance followed by recrudescence of the organisms.
(19) Yet Spurs' interest in Van Gaal has not waned even in light of Sherwood's impressive impact in his first senior management role.
(20) There have been suggestions in recent weeks that the US support for the Syrian non-extremist opposition is waning, and the US has reluctantly concluded that unwavering Russian support for Assad means the only way to oust Isis is by making cause with Russia and Assad.