ray
English
/ɹeɪ/
noun
Definitions
- A beam of light or radiation.
- (zoology) A rib-like reinforcement of bone or cartilage in a fish's fin.
- (zoology) One of the spheromeres of a radiate, especially one of the arms of a starfish or an ophiuran.
- (botany) A radiating part of a flower or plant; the marginal florets of a compound flower, such as an aster or a sunflower; one of the pedicels of an umbel or other circular flower cluster; radius.
- (obsolete) Sight; perception; vision; from an old theory of vision, that sight was something which proceeded from the eye to the object seen.
- (mathematics) A line extending indefinitely in one direction from a point.
- (colloquial) A tiny amount.
Etymology
Borrowed from Old French rai derived from Latin radius (ray, rod, spoke, staff, ray of light, stake, spoke of a wheel, beam).
Origin
Latin
radius
Gloss
ray, rod, spoke, staff, ray of light, stake, spoke of a wheel, beam
Concept
Semantic Field
Motion
Ontological Category
Person/Thing
Kanji
棒
Emoji
Timeline
Distribution of cognates by language
Geogrpahic distribution of cognates
Cognates and derived terms
- Blu-ray English
- X English
- X-ray English
- beray English
- blue English
- caster English
- eigenray English
- half-ray English
- hemiray English
- light English
- lightray English
- outray English
- radialis English
- radio English
- radius English
- raycaster English
- raying English
- rayless English
- raylessness English
- raylet English
- raylike English
- rayproof English
- raytraced English
- sting English
- stingray English
- sun English
- sunray English
- traced English
- *radia Latin
- radia Latin
- radio Latin
- radiolus Latin
- radius Latin
- radiālis Latin
- rādius Latin
- Radius German
- radio- Hungarian
- irraggiamento Italian
- irraggiare Italian
- radio Italian
- raggio Italian
- razzo Italian
- rei Dutch, Flemish
- reidans Dutch, Flemish
- radium French
- radius French
- rai French
- rayon French
- ра́дий Russian
- радиан Russian
- радиус Russian
- rayo Spanish, Castilian
- *neredʰ- Proto-Indo-European
- *reh₁t- Proto-Indo-European
- radius Norwegian Bokmål
- *stinganą Proto-Germanic
- radius Norwegian Nynorsk
- rayen Middle English
- radius Danish
- rai Old French
- radi Catalan, Valencian
- raig Catalan, Valencian
- estinga Galician
- raxo Galician
- rhaidd Welsh
- rei Middle Dutch
- rai Norman
- x-rayer Norman
- rreze Albanian
- רדיוס Hebrew (modern)
- *arraia Old Portuguese
- rayo Old Portuguese
- eksirei Swahili
- rai Friulian
- stingre Tok Pisin
- rus Dalmatian
- radius Crimean Tatar
- rai Bourguignon
- rayo Aragonese