Definitions for osmiumˈɒz mi əm

This page provides all possible meanings and translations of the word osmium

Princeton's WordNet

  1. osmium, Os, atomic number 76(noun)

    a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known


  1. osmium(n.)

    A rare metallic element of the platinum group with atomic number 76. It is found native as an alloy in platinum ore, and in iridosmine. It is a hard, infusible, bluish or grayish white metal, and the heaviest substance known. Its tetroxide is used in histological experiments to stain tissues. Symbol Os. Atomic weight 190.2. Specific gravity 22.477.

  2. Origin: [Gr. 'osmh` a smell, odor, akin to 'o`zein to smell. So named in allusion to the strong chlorinelike odor of osmic tetroxide. See Odor.]


  1. osmium(Noun)

    a heavy metallic chemical element (symbol Os) with an atomic number of 76

  2. Origin: From ὀσμή (because of the strong smell of its oxide) + -ium


  1. Osmium

    Osmium is a chemical element with the symbol Os and atomic number 76. It is a hard, brittle, bluish-white transition metal in the platinum family and is the densest naturally occurring element, with a density of 22.59 g/cm³. It is found in nature as an alloy, mostly in platinum ores; its alloys with platinum, iridium, and other platinum group metals are employed in fountain pen tips, electrical contacts, and other applications where extreme durability and hardness are needed.

U.S. National Library of Medicine

  1. Osmium

    Osmium. A very hard, gray, toxic, and nearly infusible metal element, atomic number 76, atomic weight 190.2, symbol Os. (From Dorland, 28th ed)

Translations for osmium

From our Multilingual Translation Dictionary

Get even more translations for osmium »


Find a translation for the osmium definition in other languages:

Select another language:

Discuss these osmium definitions with the community:

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:     


Use the citation below to add this definition to your bibliography:


"osmium." STANDS4 LLC, 2015. Web. 4 Oct. 2015. <>.

Are we missing a good definition for osmium? Don't keep it to yourself...

Nearby & related entries:

Alternative searches for osmium:

Thanks for your vote! We truly appreciate your support.