1. [ noun ] (physics) a column of light (as from a beacon)
Synonyms: beam light_beam shaft_of_light shaft ray_of_light irradiation beam_of_light
Related terms: light sunbeam heat_ray laser_beam moonbeam low_beam high_beam irradiate
2. [ noun ] Man's first name, popularity rank in the U.S. is 132
3. [ noun ] (botany) a branch of an umbel or an umbelliform inflorescence
Related terms: pedicel
4. [ verb ] expose to radiation
Synonyms: irradiate

"irradiate food"

Related terms: process beam
5. [ verb ] emit as rays

That tower rays a laser beam for miles across the sky."

Related terms: emit beam
6. [ noun ] (zoology) any of the stiff bony rods in the fin of a fish
Related terms: spine fin
7. [ noun ] (mathematics) a straight line extending from a point
Related terms: vector mathematics
8. [ verb ] extend or spread outward from a center or focus or inward towards a center
Synonyms: radiate

"spokes radiate from the hub of the wheel" "This plants radiates spines in all directions"

Related terms: run
9. [ verb ] send out real or metaphoric rays
Synonyms: radiate

"She radiates happiness"

Related terms: emit effuse
10. [ noun ] (physics) a group of nearly parallel lines of electromagnetic radiation
Synonyms: beam electron_beam
Related terms: electromagnetic_radiation particle_beam cathode_ray irradiate
11. [ noun ] Woman's first name, popularity rank in the U.S. is 1348
12. [ noun ] (music,linguistics) the syllable naming the second (supertonic) note of any major scale in solmization
Synonyms: re
Related terms: solfa_syllable
13. [ noun ] Last name, frequency rank in the U.S. is 173
14. [ noun ] (zoology) cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins
Related terms: elasmobranch guitarfish skate stingray eagle_ray manta sawfish electric_ray
Similar spelling:   Rayo