Of a light bulb: made of translucent white glass; (of a lamp) containing such a bulb.
| 单词 | θ80531 |
| 释义 | the world > matter > light > artificial light > an artificial light > artificial light defined by light-source > electric light > [adjective] > of or relating to light bulbs of specific type (6) opal1904 Of a light bulb: made of translucent white glass; (of a lamp) containing such a bulb. pearl1929 Designating an electric light bulb that is frosted on the inside so as to diffuse the light. prefocus1939 Designating or relating to a light bulb which is designed so that its beam is focused automatically when it is fitted inside a lamp, esp. a… Subcategories:— quartz-iodine (3) |
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