arc lamp

noun
|Updated on: 15 Jun 2018

Definition of arc lamp

: an electric lamp that produces light by an arc made when a current passes between two incandescent electrodes surrounded by gas called also arc light

Recent Examples of arc lamp from the Web

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

First Known Use of arc lamp

1879

in the meaning defined above

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