different between circumference vs radius
circumference
English
Etymology
From Latin circumferentia, from circum (“around”) + fer? (“I carry”).
Pronunciation
- (UK) enPR: sûrk?m'fr?ns, IPA(key): /s???k?m.f??ns/
- (US) enPR: sûrk?m'fr?ns, IPA(key): /s???k?m.f??ns/
- Rhymes: -?ns
Noun
circumference (plural circumferences)
- (geometry) The line that bounds a circle or other two-dimensional figure
- (geometry) The length of such a line
- (obsolete) The surface of a round or spherical object
- (graph theory) The length of the longest cycle of a graph
Synonyms
- (geometry): perimeter, umstroke
- (distance measured around any object): girth
- (distance measured around a race track): lap
Related terms
- diameter
- radius
- perimeter
Translations
Verb
circumference (third-person singular simple present circumferences, present participle circumferencing, simple past and past participle circumferenced)
- (obsolete, transitive) To include in a circular space; to bound.
circumference From the web:
- what circumference mean
- what circumference of a circle
- what circumference should my thighs be
- what circumference of the earth
- what circumference is considered wide calf
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radius
English
Etymology
Borrowed from Latin radius (“ray”). Doublet of ray.
Pronunciation
- enPR: r?'-d?-?s, IPA(key): /??e?.di.?s/
- Rhymes: -e?di?s
- Hyphenation: ra?di?us
Noun
radius (plural radii or radiuses)
- (anatomy) The long bone in the forearm, on the side of the thumb.
- (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
- (entomology) One of the major veins of the insect wing, between the subcosta and the media; the vein running along the costal edge of the discal cell.
- (geometry) A line segment between any point of a circle or sphere and its center.
- (geometry) The length of this line segment.
- Anything resembling a radius, such as the spoke of a wheel, the movable arm of a sextant, or one of the radiating lines of a spider's web.
Synonyms
- (vein of insect wing): R
Derived terms
- radius arm
- radius bar
- radius rod
Related terms
- radial
- radiate, radiation
Translations
See also
- ulna
- semidiameter
- Radius (bone) on Wikipedia.Wikipedia
Anagrams
- Darius
Crimean Tatar
Etymology
Borrowed from Latin radius.
Noun
radius
- radius (line segment or length of this line segment)
Declension
References
- Mirjejev, V. A.; Usejinov, S. M. (2002) Ukrajins?ko-kryms?kotatars?kyj slovnyk [Ukrainian – Crimean Tatar Dictionary]?[1], Simferopol: Dolya, ?ISBN
Danish
Etymology
Borrowed from Latin radius.
Noun
radius c (singular definite radien or radiusen, plural indefinite radier or radiuser)
- (geometry) radius
References
- “radius” in Den Danske Ordbog
Esperanto
Verb
radius
- conditional of radii
Faroese
Noun
radius m (genitive singular radius, plural radiusar)
- (geometry) radius
Declension
Template:fo-decl-noun-m52
French
Etymology
Borrowed from Latin radius. Doublet of rai, which was inherited.
Pronunciation
- IPA(key): /?a.djys/
Noun
radius m (plural radius)
- (anatomy) radius
Further reading
- “radius” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Anagrams
- durais
Ido
Verb
radius
- conditional of radiar
Latin
Etymology
Of uncertain origin. Some have tried to connect it to r?d?x. Tucker suggests Proto-Indo-European *nered?- (“extend forth, rise, outward”) akin to Sanskrit ?????? (vardhate, “rise, grow”), or from Ancient Greek ????? (árdis, “sharp point”). May ultimately be from Proto-Indo-European *reh?t- (“bar, beam, stem”).
Pronunciation
- (Classical) IPA(key): /?ra.di.us/, [?räd?i?s?]
- (Ecclesiastical) IPA(key): /?ra.di.us/, [?r??d?ius]
Noun
radius m (genitive radi? or rad?); second declension
- a ray of light (also reflected)
- (according to an ancient theory of vision) a ray extending from the eye to the object seen
- a spoke of a wheel
- the radius of a circle; a rotating radial arm
- a pointed rod (used for drawing diagrams etc.)
- (weaving) a shuttle
- (poetic) a bolt or shaft
- the spur of a bird's leg
- the tail-spine of a stingray
- (anatomy) the radius (the outer bone of a forearm)
- the name of an elongated variety of olive
Declension
Second-declension noun.
1Found in older Latin (until the Augustan Age).
Derived terms
- radi?
- radiolus
Descendants
Learned borrowings
References
- “radius” on page 1731 of the Oxford Latin Dictionary (2nd ed., 2012)
Further reading
- radius in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- radius in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- radius in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
- radius in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
- radius in Harry Thurston Peck, editor (1898) Harper's Dictionary of Classical Antiquities, New York: Harper & Brothers
- radius in William Smith et al., editor (1890) A Dictionary of Greek and Roman Antiquities, London: William Wayte. G. E. Marindin
Norwegian Bokmål
Etymology
Borrowed from Latin radius.
Noun
radius m (definite singular radien or radiusen, indefinite plural radier, definite plural radiene)
- (geometry) radius
References
- “radius” in The Bokmål Dictionary.
Norwegian Nynorsk
Etymology
Borrowed from Latin radius.
Noun
radius m (definite singular radiusen, indefinite plural radiusar, definite plural radiusane)
- (geometry) radius
References
- “radius” in The Nynorsk Dictionary.
Romanian
Etymology
Borrowed from French radius, Latin radius. Compare the inherited doublet raz? (“ray”).
Noun
radius n (plural radiusuri)
- (anatomy) radius (bone)
Related terms
- radiu
radius From the web:
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- what radius does a nuclear bomb cover
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- what radius did chernobyl affect
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