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## celerity

celerity The velocity with which a wave advances. The celerity (c) of an ideal wave is related to its wavelength (λ) and frequency (f) by the wave equation c = fλ. The wave frequency (f) is the number of waves (n) passing a point in unit time (t), i.e. f = n/t. In deep water the wave celerity may be calculated by the equation: c = (gλ/2π)2 = 1.25√λ, where λ is the wavelength in metres and g is the acceleration due to gravity (9.81 m/s). The speed of shallow-water waves may be calculated by the equation: c = (gd)1/2 = 3.13√d, where d is the depth of water in metres.

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"celerity." A Dictionary of Ecology. . Encyclopedia.com. 12 Dec. 2017 <http://www.encyclopedia.com>.

"celerity." A Dictionary of Ecology. . Encyclopedia.com. (December 12, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/celerity-0

"celerity." A Dictionary of Ecology. . Retrieved December 12, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/celerity-0

## celerity

celerity Velocity with which a wave advances. The celerity (c) of an ideal wave is related to its wavelength (λ) and frequency (f) by the wave equation c = fλ. The wave frequency (f) is the number of waves (n) passing a point in unit time (t), i.e. f = n/t. In deep water the wave celerity may be calculated by the equation: c = (gλ/2π)1/2 = 1.25√λ where λ is the wavelength in metres and g is the acceleration due to gravity (9.81 m/s2). The speed of shallow water waves may be calculated by the equation: c = (gd)1/2 = 3.13√d, where d is the depth of water in metres.

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"celerity." A Dictionary of Earth Sciences. . Encyclopedia.com. 12 Dec. 2017 <http://www.encyclopedia.com>.

"celerity." A Dictionary of Earth Sciences. . Encyclopedia.com. (December 12, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/celerity

"celerity." A Dictionary of Earth Sciences. . Retrieved December 12, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/celerity

## celerity

ce·ler·i·ty / səˈleritē/ • n. archaic or poetic/lit. swiftness of movement.

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"celerity." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. 12 Dec. 2017 <http://www.encyclopedia.com>.

"celerity." The Oxford Pocket Dictionary of Current English. . Encyclopedia.com. (December 12, 2017). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/celerity-0

"celerity." The Oxford Pocket Dictionary of Current English. . Retrieved December 12, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/celerity-0

## celerity

celerity XV. — (O)F. célérité — L. celeritās, f. celer swift; see -ITY.

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"celerity." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. 12 Dec. 2017 <http://www.encyclopedia.com>.

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"celerity." The Concise Oxford Dictionary of English Etymology. . Retrieved December 12, 2017 from Encyclopedia.com: http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/celerity-1

## celerity

celeritybanditti, bitty, chitty, city, committee, ditty, gritty, intercity, kitty, nitty-gritty, Pitti, pity, pretty, shitty, slitty, smriti, spitty, titty, vittae, witty •fifty, fifty-fifty, nifty, shifty, swiftie, thrifty •guilty, kiltie, silty •flinty, linty, minty, shinty •ballistae, Christie, Corpus Christi, misty, twisty, wristy •sixty •deity, gaiety (US gayety), laity, simultaneity, spontaneity •contemporaneity, corporeity, femineity, heterogeneity, homogeneity •anxiety, contrariety, dubiety, impiety, impropriety, inebriety, notoriety, piety, satiety, sobriety, ubiety, variety •moiety •acuity, ambiguity, annuity, assiduity, congruity, contiguity, continuity, exiguity, fatuity, fortuity, gratuity, ingenuity, perpetuity, perspicuity, promiscuity, suety, superfluity, tenuity, vacuity •rabbity •improbity, probity •acerbity • witchetty • crotchety •heredity •acidity, acridity, aridity, avidity, cupidity, flaccidity, fluidity, frigidity, humidity, hybridity, insipidity, intrepidity, limpidity, liquidity, lividity, lucidity, morbidity, placidity, putridity, quiddity, rabidity, rancidity, rapidity, rigidity, solidity, stolidity, stupidity, tepidity, timidity, torpidity, torridity, turgidity, validity, vapidity •commodity, oddity •immodesty, modesty •crudity, nudity •fecundity, jocundity, moribundity, profundity, rotundity, rubicundity •absurdity • difficulty • gadgety •majesty • fidgety • rackety •pernickety, rickety •biscuity •banality, duality, fatality, finality, ideality, legality, locality, modality, morality, natality, orality, reality, regality, rurality, tonality, totality, venality, vitality, vocality •fidelity •ability, agility, civility, debility, docility, edibility, facility, fertility, flexility, fragility, futility, gentility, hostility, humility, imbecility, infantility, juvenility, liability, mobility, nihility, nobility, nubility, puerility, senility, servility, stability, sterility, tactility, tranquillity (US tranquility), usability, utility, versatility, viability, virility, volatility •ringlety •equality, frivolity, jollity, polity, quality •credulity, garrulity, sedulity •nullity •amity, calamity •extremity • enmity •anonymity, dimity, equanimity, magnanimity, proximity, pseudonymity, pusillanimity, unanimity •comity •conformity, deformity, enormity, multiformity, uniformity •subcommittee • pepperminty •infirmity •Christianity, humanity, inanity, profanity, sanity, urbanity, vanity •amnesty •lenity, obscenity, serenity •indemnity, solemnity •mundanity • amenity •affinity, asininity, clandestinity, divinity, femininity, infinity, masculinity, salinity, trinity, vicinity, virginity •benignity, dignity, malignity •honesty •community, immunity, importunity, impunity, opportunity, unity •confraternity, eternity, fraternity, maternity, modernity, paternity, taciturnity •serendipity, snippety •uppity •angularity, barbarity, bipolarity, charity, circularity, clarity, complementarity, familiarity, granularity, hilarity, insularity, irregularity, jocularity, linearity, parity, particularity, peculiarity, polarity, popularity, regularity, secularity, similarity, singularity, solidarity, subsidiarity, unitarity, vernacularity, vulgarity •alacrity • sacristy •ambidexterity, asperity, austerity, celerity, dexterity, ferrety, posterity, prosperity, severity, sincerity, temerity, verity •celebrity • integrity • rarity •authority, inferiority, juniority, majority, minority, priority, seniority, sonority, sorority, superiority •mediocrity • sovereignty • salubrity •entirety •futurity, immaturity, impurity, maturity, obscurity, purity, security, surety •touristy •audacity, capacity, fugacity, loquacity, mendacity, opacity, perspicacity, pertinacity, pugnacity, rapacity, sagacity, sequacity, tenacity, veracity, vivacity, voracity •laxity •sparsity, varsity •necessity •complexity, perplexity •density, immensity, propensity, tensity •scarcity • obesity •felicity, toxicity •fixity, prolixity •benedicite, nicety •anfractuosity, animosity, atrocity, bellicosity, curiosity, fabulosity, ferocity, generosity, grandiosity, impecuniosity, impetuosity, jocosity, luminosity, monstrosity, nebulosity, pomposity, ponderosity, porosity, preciosity, precocity, reciprocity, religiosity, scrupulosity, sinuosity, sumptuosity, velocity, verbosity, virtuosity, viscosity •paucity • falsity • caducity • russety •adversity, biodiversity, diversity, perversity, university •sacrosanctity, sanctity •chastity •entity, identity •quantity • certainty •cavity, concavity, depravity, gravity •travesty • suavity •brevity, levity, longevity •velvety • naivety •activity, nativity •equity •antiquity, iniquity, obliquity, ubiquity •propinquity