Period

n.	1.	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.
	2.	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. How by art to make plants more lasting than their ordinary period. - Bacon.
	3.	(Geol.) One of the great divisions of geological time; as, the Tertiary period; the Glacial period. See the Chart of Geology.
	4.	The termination or completion of a revolution, cycle, series of events, single event, or act; hence, a limit; a bound; an end; a conclusion. So spake the archangel Michael; then paused, As at the world's great period. - Milton. Evils which shall never end till eternity hath a period. - Jer. Taylor. This is the period of my ambition. - Shak.
	5.	(Rhet.) A complete sentence, from one full stop to another; esp., a well-proportioned, harmonious sentence. Periods are beautiful when they are not too long. - B. Johnson.
	6.	(Print.) The punctuation point [.] that marks the end of a complete sentence, or of an abbreviated word.
	7.	(Math.) 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.
	8.	(Med.) The time of the exacerbation and remission of a disease, or of the paroxysm and intermission.
	9.	(Mus.) A complete musical sentence. The period the present or current time, as distinguished from all other times.
v. t.	1.	To put an end to.
v. i.	1.	To come to a period; to conclude. [Obs.] "You may period upon this, that," etc.

Noun	1.	period - an amount of time; "a time period of 30 years"; "hastened the period of time of his recovery"; "Picasso's blue period" Synonyms: period of time, time period
	2.	period - one of three periods of play in hockey games
	3.	period - a stage in the history of a culture having a definable place in space and time; "a novel from the Victorian period" Synonyms: historic period, historical period
	4.	period - the interval taken to complete one cycle of a regularly repeating phenomenon
	5.	period - the monthly discharge of blood from the uterus of nonpregnant women from puberty to menopause; "the women were sickly and subject to excessive menstruation"; "a woman does not take the gout unless her menses be stopped"--Hippocrates; "the semen begins to appear in males and to be emitted at the same time of life that the catamenia begin to flow in females"--Aristotle Synonyms: catamenia, menses, menstruation, menstruum, flow
	6.	period - a punctuation mark (.) placed at the end of a declarative sentence to indicate a full stop or after abbreviations; "in England they call a period a stop" Synonyms: full point, full stop, stop, point
	7.	period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods" Synonyms: geological period
	8.	period - the end or completion of something; "death put a period to his endeavors"; "a change soon put a period to my tranquility"

Alexandrine, Archean, Archeozoic, Cambrian, Carboniferous, Cenozoic, Comanchean, Cretaceous, Devonian, Eocene, Glacial, Holocene, Lower Cretaceous, Lower Tertiary, Mesozoic, Miocene, Mississippian, Oligocene, Paleocene, Paleozoic, Pennsylvanian, Permian, Pleistocene, Pliocene, Precambrian, Proterozoic, Quaternary, Recent, Silurian, Tertiary, Triassic, Upper Cretaceous, Upper Tertiary, Z, accent, accentuation, adjectival phrase, aeon, amount, amphibrach, amphimacer, amplitude, anacrusis, anapest, annual period, antinode, antispast, aphelion, apodosis, apogee, arsis, astronomical longitude, autumnal equinox, bacchius, baseball season, basketball season, bass passage, beat, boundary, bourdon, bridge, burden, cadence, caesura, caliber, catalexis, catamenia, catamenial discharge, catastrophe, ceasing, celestial equator, celestial longitude, celestial meridian, cessation, chloriamb, chloriambus, chorus, chronology, circle, clause, close, closing, closure, coda, cold season, colon, colures, comma, compass, concert season, conclusion, construction, consummation, continuity, counterpoint, courses, crack of doom, crest, cretic, culmination, curtain, curtains, cut, dactyl, days, de Broglie wave, death, decease, degree, denouement, destination, destiny, development, diaeresis, diffraction, dimeter, dipody, discontinuance, division, dochmiac, doom, dry season, duree, ecliptic, effect, electromagnetic wave, elegiac, elegiac couplet, elegiac pentameter, emphasis, end, end point, ending, envoi, epilogue, epitrite, equator, equinoctial, equinoctial circle, equinoctial colure, equinox, eschatology, expiration, exposition, expression, extent, fate, feminine caesura, figure, final solution, final twitch, final words, finale, finality, finis, finish, flowers, folderol, foot, football season, frequency, frequency band, frequency spectrum, full stop, galactic longitude, geocentric longitude, geodetic longitude, goal, grade, great circle, guided wave, harmonic close, headed group, height, heliocentric longitude, heptameter, heptapody, heroic couplet, hexameter, hexapody, iamb, iambic, iambic pentameter, ictus, idiom, idiotism, in phase, interference, interlude, intermezzo, introductory phrase, ionic, izzard, jingle, juncture, last, last breath, last gasp, last things, last trumpet, last words, lastingness, latter end, leap, level, light, lilt, locution, longitude, longitudinal wave, manner of speaking, mark, masculine caesura, measure, mechanical wave, menses, menstrual discharge, menstruation, meridian, meter, metrical accent, metrical foot, metrical group, metrical unit, metron, molossus, monthlies, mora, movement, musical phrase, musical sentence, node, notch, noun phrase, nuance, numbers, off season, omega, orbit, ornament, out of phase, paeon, paragraph, part, pas, passage, patch, pause, payoff, peculiar expression, peg, pentameter, pentapody, perigee, perihelion, periodic wave, periodicity, periods, peroration, phrasal idiom, phrase, pitch, plane, plateau, point, proceleusmatic, proportion, psychological time, pyrrhic, quantity, quietus, radio wave, rainy season, range, ratio, ray, reach, refrain, reinforcement, remove, resolution, resonance, resonance frequency, response, resting place, rhythm, ritornello, round, rung, scale, scope, season, seasonableness, seasonality, section, seismic wave, semicolon, sentence, set phrase, shade, shadow, shock wave, small circle, social season, solstitial colure, sound wave, space, space-time, spondee, sprung rhythm, stair, standard, standard phrase, stanza, statement, step, stint, stop, stoppage, stopping place, strain, stress, stretch, surface wave, swan song, swing, syntactic structure, syzygy, tailpiece, tense, term, terminal, termination, terminus, tetrameter, tetrapody, tetraseme, that time, the curse, the future, the past, the present, the season, thesis, tidal wave, tide, time of year, timebinding, trajectory, transverse wave, tread, tribrach, trimeter, tripody, triseme, trochee, trough, turn of expression, turn of phrase, tutti, tutti passage, usage, utterance, variation, verb complex, verb phrase, verbalism, vernal equinox, verse, wave, wave equation, wave motion, wave number, wavelength, way of speaking, while, windup, word-group, years, zodiac, zone

Definitions Index: # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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