Al·​dis | \ ˈȯl-dəs \

Definition of Aldis

: a hand-carried signal lamp used to flash messages especially from ships and aircraft

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First Known Use of Aldis

1944, in the meaning defined above

History and Etymology for Aldis

after Arthur C. W. Aldis †1953 British engineer and inventor

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The first known use of Aldis was in 1944

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Cite this Entry

“Aldis.” Dictionary, Merriam-Webster, Accessed 3 Aug. 2020.

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