different between radiate vs radius

English

Etymology

Borrowed from Latin radiatus, past participle of radiare (“to radiate, furnish with spokes, give out rays, radiate, shine”), from radius (“a spoke, ray”).

Pronunciation

• (verb) IPA^(key): /??e?die?t/
• (adjective) IPA^(key): /??e?die?t/, /??e?di.?t/

Verb

radiate (third-person singular simple present radiates, present participle radiating, simple past and past participle radiated)

1. To extend, send or spread out from a center like radii.
   • 1994, Great Britain. Parliament. House of Commons, Parliamentary Debates

     Oban is not a terminus; its routes radiate by sea, rail and road.
2. (transitive) To emit rays or waves.

   The stove radiates heat.

3. (intransitive) To come out or proceed in rays or waves.

   The heat radiates from a stove.

   • 1706, John Locke, Elements of Natural Philosophy

     Light radiates from luminous bodies directly to our eyes.
4. (transitive) To illuminate.
5. To expose to ionizing radiation, such as by radiography.
6. (transitive) To manifest oneself in a glowing manner.
7. (ecology, intransitive) to spread into new habitats, migrate.

Synonyms

• (to expose to radiation): irradiate

Derived terms

• radiator

Related terms

• radiation

Translations

Adjective

radiate (comparative more radiate, superlative most radiate)

1. Radiating from a center; having rays or parts diverging from a center; radiated.

   a radiate crystal

2. Surrounded by rays, such as the head of a saint in a religious picture.
3. (botany) Having parts radiating from the center, like the petals in many flowers.
4. (botany) Consisting of a disc in which the florets are tubular.
5. (biology) Having radial symmetry, like a seastar.
6. (zoology) Belonging to the Radiata.

Translations

Noun

radiate (plural radiates)

1. (zoology) One of the Radiata.

Related terms

• radial
• radiation
• radio
• radius
• ray

Further reading

• radiate in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
• radiate in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• radiate at OneLook Dictionary Search

Anagrams

• airdate, ardaite, tiaraed

Esperanto

Adverb

radiate

1. present adverbial passive participle of radii

Italian

Verb

radiate

1. second-person plural present subjunctive of radere
2. second-person plural present indicative of radiare
3. second-person plural imperative of radiare
4. second-person plural present subjunctive of radiare
5. feminine plural of radiato

Anagrams

• aderita, adirate, ardiate, datarie, daterai

Latin

Verb

radi?te

1. second-person plural present active imperative of radi?

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)

1. (anatomy) The long bone in the forearm, on the side of the thumb.
2. (zoology) The lighter bone (or fused portion of bone) in the forelimb of an animal.
3. (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.
4. (geometry) A line segment between any point of a circle or sphere and its center.
5. (geometry) The length of this line segment.
6. 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

1. 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)

1. (geometry) radius

References

• “radius” in Den Danske Ordbog

Esperanto

Verb

radius

1. conditional of radii

Faroese

Noun

radius m (genitive singular radius, plural radiusar)

1. (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)

1. (anatomy) radius

Further reading

• “radius” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Anagrams

• durais

Ido

Verb

radius

1. 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

1. a ray of light (also reflected)
   1. (according to an ancient theory of vision) a ray extending from the eye to the object seen
2. a spoke of a wheel
   1. the radius of a circle; a rotating radial arm
3. a pointed rod (used for drawing diagrams etc.)
   1. (weaving) a shuttle
   2. (poetic) a bolt or shaft
   3. the spur of a bird's leg
   4. the tail-spine of a stingray
   5. (anatomy) the radius (the outer bone of a forearm)
4. 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)

1. (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)

1. (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)

1. (anatomy) radius (bone)

Related terms

• radiu