iridium

play
noun irid·i·um \i-ˈri-dē-əm\

Definition of iridium

  1. :  a rare silver-white hard brittle very heavy metallic element — see element table

Recent Examples of iridium from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'iridium'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of iridium

New Latin, from Latin irid-, iris; from the colors produced by its dissolving in hydrochloric acid


IRIDIUM Defined for Kids

iridium

play
noun irid·i·um \i-ˈri-dē-əm\

Definition of iridium for Students

  1. :  a hard brittle heavy metallic chemical element


Medical Dictionary

iridium

play
noun irid·i·um \ir-ˈid-ē-əm\

Medical Definition of iridium

  1. :  a silver-white hard brittle very heavy metallic element of the platinum group used especially in hardening platinum for alloys (as for surgical instruments)—symbol Ir; see element table



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