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Meaning of coronium | Babel Free

Noun CEFR B2

Definitions

A supposed chemical element, hypothesized in the 19th century in order to explain a green emission line seen during the total solar eclipse of 7 August 1869 (actually highly ionized iron).

historical, uncountable

Equivalents

Français coronium

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
See all B2 English words →

See also

coronograph coronography coronoia coronoid coronoid process coronoidectomy

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