1. roentgen ray

noun. Electromagnetic radiation of short wavelength produced when high-speed electrons strike a solid target.
Synonyms
X-ray electromagnetic radiation X ray nonparticulate radiation electromagnetic wave ionizing radiation X-radiation
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2. Roentgen

noun. German physicist who discovered x-rays and developed roentgenography (1845-1923).
Synonyms
Wilhelm Konrad Roentgen Rontgen Wilhelm Konrad Rontgen

3. roentgen

noun. A unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air.
Synonyms
R radioactivity unit

4. ray

noun. (ˈreɪ) A column of light (as from a beacon).
Synonyms
laser beam moon ray light shaft of light shaft beam of light irradiation heat ray sunbeam high beam light beam visible radiation visible light sunray moon-ray low beam beam ray of light moonbeam
Antonyms
chaste fatty well impure sufficient

5. ray

noun. (ˈreɪ) A branch of an umbel or an umbelliform inflorescence.
Synonyms
pedicel pedicle
Antonyms
intemperate compact indigestible

6. ray

verb. (ˈreɪ) Extend or spread outward from a center or focus or inward towards a center.
Synonyms
lead run radiate pass extend go
Antonyms
deficit stand still ebb arrive malfunction

7. ray

noun. (ˈreɪ) Cartilaginous fishes having horizontally flattened bodies and enlarged winglike pectoral fins with gills on the underside; most swim by moving the pectoral fins.
Synonyms
manta ray selachian numbfish stingray torpedo eagle ray devilfish sawfish elasmobranch manta guitarfish crampfish electric ray skate
Antonyms
dark dull bright dullness light

8. ray

noun. (ˈreɪ) Any of the stiff bony spines in the fin of a fish.
Synonyms
spine fin
Antonyms
extinguish darken rise

9. ray

noun. (ˈreɪ) (mathematics) a straight line extending from a point.
Synonyms
vector
Antonyms
demanding heavy-duty

10. ray

noun. (ˈreɪ) The syllable naming the second (supertonic) note of any major scale in solmization.
Synonyms
solfa syllable re
Antonyms
ascend heavy black
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