thoron

[thawr-on, thohr-]

noun

Chemistry.

1. a radioactive isotope of radon, produced by the disintegration of thorium. Tn; 220; 86.

thoron

/ ˈθɔːrɒn /

noun

1. a radioisotope of radon that is a decay product of thorium. Symbol: Tn or ²²⁰ Rn; atomic no: 86; half-life: 54.5s

Word History and Origins

Origin of thoron¹

First recorded in 1925–30; thor(ium) + -on ²

Word History and Origins

Origin of thoron¹

C20: from _thorium + _-on

Example Sentences

It would seem that Mr. London, a leader of klezmer groups in New York, and his librettist, the playwright Elise Thoron, have some explaining to do.

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Mr. London and Ms. Thoron are both white.

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The opera, by Frank London, Elise Thoron and Music-Theatre Group, combines Afro-Cuban and klezmer music to tell the story of an indigenous Taino leader who fought against Spanish colonization, and a 20th-century Jewish refugee and poet who was inspired by him.

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In 1984, before the Berlin Wall came crashing down, a young Slavic-languages scholar from Manhattan named Elise Thoron went to Leningrad and fell in with the theater students.

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We caught up with Thoron hours before she flew out of New York to visit her partner’s family in Rome.

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