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: O Oï Oö Oœ O. Oa Ob Oc Od Oe Of Og Oh Oi Oj Ok Ol Om On Oo Op Oq Or Os Ot Ou Ov Ow Ox Oy Oz

Table of Contents POS
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY

osmium

POS

Noun

HYPHEN

os=mi=um

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WORDNET DICTIONARY

Noun osmium has 1 sense

osmium(n = noun.substance) atomic number 76, os - a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known; Array

is a kind of metal, metallic element

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CIDE DICTIONARY

osmium, n. [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.].

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. [1913 Webster]

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OXFORD DICTIONARY

osmium, n. Chem. a hard bluish-white transition element, the heaviest known metal, occurring naturally in association with platinum and used in certain alloys.

Usage

Symb.: Os.

Etymology

Gk osme smell (from the pungent smell of its tetroxide)

For further exploring for "osmium" in Webster Dictionary Online