SINCE 1828

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electron probe

noun

Definition of electron probe

: a microprobe that uses an electron beam to induce X-ray emissions in a sample

First Known Use of electron probe

1943

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WORD OF THE DAY

alleviate

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to relieve or lessen

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Words of the Year: 1066

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Irregardless

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One goose, two geese. One moose, two... moose. What's up with that?

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Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

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