iridium

名词 n.
发音 ĭrĭd'ēəm

英文释义

名词 n.
  1. A chemical element with an atomic number of 77: a very hard, brittle, silvery-white transition metal of the platinum group. uncountable
    — Iridium is extremely rare on the surface of the earth but much more common in meteorites.
  2. A single atom of this element. countable

词形变化

iridiums plural

词源

From international scientific vocabulary, from
New Latin iridium, from Classical Latin iris + -ium, from Ancient Greek ἶρις (îris, “rainbow”), because of the bright colour of many of the element's salts.
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