different between curl vs vorticity
curl
English
Etymology
From metathesis of Middle English crulle (“curled, curly”), from Middle Dutch crul, crulle (“curl”), ultimately from Proto-Germanic *kruzl? (“bent or crooked object, curl”), of unknown origin.
Cognate with Saterland Frisian Krulle (“curl, lock”), West Frisian krul (“curl”), Dutch krul (“curl”), German Low German Krull (“curl”), dialectal German Krolle (“curl”), Danish krølle (“curl”), Norwegian krull (“curl”). Related also to Saterland Frisian Kruus (“curl”), German kraus (“frizzy, crumpled, curly”), Swedish krusa (“to crimp, curl”). Compare also Gothic ???????????????????????????????? (kriustan, “to grind, crush, gnash”).
Pronunciation
- (UK) IPA(key): /k??l/
- (US) IPA(key): /k?l/
- Rhymes: -??(?)l
Noun
curl (plural curls)
- A piece or lock of curling hair; a ringlet.
- A curved stroke or shape.
- 1995, John Curtis, Julian Reade, & Dominique Collon, Art and Empire: Treasures from Assyria in the British Museum, page 184:
- […] the backs of their necks and their forelegs are decorated with curls and their necks and bodies are covered with fine, undulating lines.
- 1995, John Curtis, Julian Reade, & Dominique Collon, Art and Empire: Treasures from Assyria in the British Museum, page 184:
- A spin making the trajectory of an object curve.
- 1909, Harold Horsfall Hilton, The Six Handicap Golfer's Companion[2], page 38:
- It is possible to use the wind which blows from the left to the right by playing well into the wind with the slightest bit of curl on the ball […]
- 1909, Harold Horsfall Hilton, The Six Handicap Golfer's Companion[2], page 38:
- (curling) Movement of a moving rock away from a straight line.
- (weightlifting) Any exercise performed by bending the arm, wrist, or leg on the exertion against resistance, especially those that train the biceps.
- 2007 (Jan/Feb), Jon Crosby, "Your Winter Muscle Makeover", Men's Health, page 54:
- Now do a curl and an overhead press, keeping your palms facing in.
- 2007 (Jan/Feb), Jon Crosby, "Your Winter Muscle Makeover", Men's Health, page 54:
- (calculus) The vector field denoting the rotationality of a given vector field.
- (calculus, proper noun) The vector operator, denoted or , that generates this field.
- (agriculture) Any of various diseases of plants causing the leaves or shoots to curl up; often specifically the potato curl.
- (music, chiefly lutherie) The contrasting light and dark figure seen in wood used for stringed instrument making; the flame.
- (American football) A pattern where the receiver appears to be running a fly pattern but after a set number of steps or yards quickly stops and turns around, looking for a pass.
Synonyms
- (lock of curling hair): ringlet
- (curved stroke or shape): curlicue, curve, flourish, loop, spiral
Antonyms
- (weightlifting exercise): extension
Coordinate terms
- (calculus): gradient, divergence, rotational
Derived terms
Translations
Verb
curl (third-person singular simple present curls, present participle curling, simple past and past participle curled)
- (transitive) To cause to move in a curve.
- (transitive) To make into a curl or spiral.
- (intransitive) To assume the shape of a curl or spiral.
- (intransitive) To move in curves.
- (intransitive, curling) To take part in the sport of curling.
- (transitive, weightlifting) To exercise by bending the arm, wrist, or leg on the exertion against resistance, especially of the biceps.
- To twist or form (the hair, etc.) into ringlets.
- There was also hairdressing: hairdressing, too, really was hairdressing in those times — no running a comb through it and that was that. It was curled, frizzed, waved, put in curlers overnight, waved with hot tongs; […].
- To deck with, or as if with, curls; to ornament.
- 1633, George Herbert, Jordan
- Curling with metaphors a plain intention.
- 1633, George Herbert, Jordan
- To raise in waves or undulations; to ripple.
- Seas would be pools without the brushing air / To curl the waves.
- (hat-making) To shape (the brim of a hat) into a curve.
Synonyms
- (to make into a curl or spiral): arch, coil, roll up
- (to assume the shape of a curl or spiral): coil, roll up
- (to move in curves): curve, spiral
Antonyms
- (to make into a curl or spiral): straighten, uncoil, unroll
- (to assume the shape of a curl or spiral): straighten, uncoil, unroll
Derived terms
Translations
See also
- coil
References
- Oxford English Dictionary, 1884–1928, and First Supplement, 1933.
curl From the web:
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vorticity
English
Etymology
vortex +? -ity
Noun
vorticity (countable and uncountable, plural vorticities)
- (mathematics, fluid dynamics) A property of a fluid flow related to local angular rotation; defined as the curl of the flow's velocity field.
vorticity From the web:
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- what is vorticity in meteorology
- what is vorticity and circulation
- what does vorticity measure
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- what is vorticity advection
- what is vorticity magnitude
- what is vorticity stream function
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