| NOUN | artifact | mercury-vapor lamp | ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor |
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| Meaning | ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor. | |
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| Narrower | quartz lamp | A mercury-vapor lamp that is enclosed in a quartz container instead of a glass container |
| sunlamp, sun lamp, sunray lamp, sun-ray lamp | A mercury-vapor lamp used in medical or cosmetic treatments | |
| Broader | ultraviolet lamp, ultraviolet source | Any source of illumination that emits ultraviolet radiation |
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