rapidity

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rap·id

 (răp′ĭd)
adj. rap·id·er, rap·id·est
Moving, acting, or occurring with great speed. See Synonyms at fast1.
n. often rapids
An extremely fast-moving part of a river, caused by a steep descent in the riverbed.

[Latin rapidus, from rapere, to seize; see rep- in Indo-European roots.]

ra·pid′i·ty (rə-pĭd′ĭ-tē), rap′id·ness (răp′ĭd-nĕs) n.
rap′id·ly adv.

ra•pid•i•ty

(rəˈpɪd ɪ ti)

also rap•id•ness

(ˈræp ɪd nɪs)

n.
a rapid state or quality; swiftness.
[1610–20; < Latin rapiditās. See rapid, -ity]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rapidity - a rate that is rapid
pace, rate - the relative speed of progress or change; "he lived at a fast pace"; "he works at a great rate"; "the pace of events accelerated"
fleetness - rapidity of movement; "fleetness of foot"
immediateness, instancy, instantaneousness, immediacy - the quickness of action or occurrence; "the immediacy of their response"; "the instancy of modern communication"
expeditiousness, despatch, dispatch, expedition - the property of being prompt and efficient; "it was done with dispatch"
promptitude, promptness - the characteristic of doing things without delay

rapidity

rapidity

noun
Translations
سُرْعَه
rychlost
hurtighed
hraîi, snarleiki

rapidity

[rəˈpɪdɪtɪ] Nrapidez f

rapidity

[rəˈpɪdɪti] nrapidité f

rapidity

nSchnelligkeit f; (of action, movement also)Raschheit f; (of improvement, change, spread also)Rapidheit f; (of decline, rise)Steilheit f

rapidity

[rəˈpɪdɪtɪ] nrapidità

rapid

(ˈrӕpid) adjective
quick; fast. He made some rapid calculations; He looked feverish and had a rapid pulse.
ˈrapidly adverb
raˈpidity noun
ˈrapidness noun
ˈrapids noun plural
a place in a river where the water flows quickly, often having dangerous rocks in mid-stream.

rapidity

n. rapidez, velocidad.