1. oscilloscope

noun. (ˌɔˈsɪləˌskoʊp) Electronic equipment that provides visual images of varying electrical quantities.
Synonyms
cathode-ray oscilloscope CRO cardiac monitor heart monitor CRT scope monitor radar monitoring device microwave radar radio detection and ranging radiolocation cathode-ray tube electronic equipment
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2. cathode

noun. (ˈkæˌθoʊd) A negatively charged electrode that is the source of electrons entering an electrical device.
Synonyms
thermionic valve electron tube photocathode tube electrolytic cell electrode cold cathode vacuum tube thermionic tube thermionic vacuum tube
Antonyms
voltaic cell anode walk opening nonfatal
Etymology
cathode (English)
κάθοδος (Ancient Greek (to 1453))

3. cathode

noun. (ˈkæˌθoʊd) The positively charged terminal of a voltaic cell or storage battery that supplies current.
Synonyms
voltaic cell depot storage battery galvanic cell terminus terminal primary cell accumulator
Antonyms
electrolytic cell anode nonworker thermionic valve electron tube
Etymology
cathode (English)
κάθοδος (Ancient Greek (to 1453))

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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