radius
EnglishEdit
EtymologyEdit
Borrowed from Latin radius (“ray”). Doublet of ray.
PronunciationEdit
NounEdit
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
- (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.
SynonymsEdit
- (vein of insect wing): R
Related termsEdit
TranslationsEdit
bone (human)
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line segment
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length of this line segment
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See alsoEdit
- ulna
- semidiameter
Radius (bone) on Wikipedia.Wikipedia
AnagramsEdit
Crimean TatarEdit
EtymologyEdit
NounEdit
radius
- radius (line segment or length of this line segment)
DeclensionEdit
Declension of radius
| nominative | radius |
|---|---|
| genitive | radiusnıñ |
| dative | radiusqa |
| accusative | radiusnı |
| locative | radiusta |
| ablative | radiustan |
ReferencesEdit
- Mirjejev, V. A.; Usejinov, S. M. (2002) Ukrajinsʹko-krymsʹkotatarsʹkyj slovnyk [Ukrainian – Crimean Tatar Dictionary][1], Simferopol: Dolya, →ISBN
DanishEdit
EtymologyEdit
NounEdit
radius c (singular definite radien or radiusen, plural indefinite radier or radiuser)
ReferencesEdit
- “radius” in Den Danske Ordbog
EsperantoEdit
FrenchEdit
EtymologyEdit
Borrowed from Latin radius. Doublet of rai, which was inherited.
PronunciationEdit
NounEdit
radius m (plural radius)
Further readingEdit
- “radius” in le Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
AnagramsEdit
IdoEdit
LatinEdit
EtymologyEdit
Of uncertain origin. Some have tried to connect it to rādīx. Tucker suggests Proto-Indo-European *neredʰ- (“extend forth, rise, outward”) akin to Sanskrit वर्धते (vardhate, “rise, grow”), or from Ancient Greek ἄρδις (árdis, “sharp point”).[1] May ultimately be from Proto-Indo-European *reh₁t- (“bar, beam, stem”).
PronunciationEdit
NounEdit
radius m (genitive radiī or radī); second declension
DeclensionEdit
Second-declension noun.
| Case | Singular | Plural |
|---|---|---|
| Nominative | radius | radiī |
| Genitive | radiī radī1 |
radiōrum |
| Dative | radiō | radiīs |
| Accusative | radium | radiōs |
| Ablative | radiō | radiīs |
| Vocative | radie | radiī |
1Found in older Latin (until the Augustan Age).
Derived termsEdit
DescendantsEdit
- Albanian: rreze (borrowing)
- Aromanian: aradzã, radzã
- Catalan: radi (borrowing), raig
- Dalmatian: rus, ruaz
- English: radius (borrowing), ray (via Old French), radio-, radio
- French: radius (borrowing), rai
- Friulian: rai
- Galician: radio (borrowing), raia, raio, raxo
- German: Radius (borrowing)
- Italian: radio (borrowing), raggio
- Mirandese: raio
ReferencesEdit
- 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
- ^ Tucker, T.G., Etymological Dictionary of Latin, Ares Publishers, 1976 (reprint of 1931 edition).
Norwegian BokmålEdit
EtymologyEdit
NounEdit
radius m (definite singular radien or radiusen, indefinite plural radier, definite plural radiene)
ReferencesEdit
- “radius” in The Bokmål Dictionary.
Norwegian NynorskEdit
EtymologyEdit
NounEdit
radius m (definite singular radiusen, indefinite plural radiusar, definite plural radiusane)
ReferencesEdit
- “radius” in The Nynorsk Dictionary.