fluorescent lamp

noun

Definition of fluorescent lamp

: a usually tubular electric lamp having a coating of fluorescent material on its inner surface and containing mercury vapor whose bombardment by electrons from the cathode provides ultraviolet light which causes the material to emit visible light

Recent Examples of fluorescent lamp from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'fluorescent lamp.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of fluorescent lamp

1896


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