Allotropy
a property of certain elements, as carbon, sulfur, and phosphorus, of existing in two or more distinct forms; allomorphism.
Historical Examples
Before leaving this phase of inorganic chemistry, we may mention other historical examples of allotropy.
Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 Various
And this hypothesis is entirely in harmony with the phenomena of allotropy.
Essays: Scientific, Political, & Speculative, Vol. I Herbert Spencer
This would be quite in accordance with the chemical notion of allotropy.
The Making of Species Douglas Dewar
allotropy has turned the eyes of many back to the remoter past.
Jewel Mysteries Max Pemberton
Thus carbon occurs as the diamond, and as charcoal and plumbago, and is therefore regarded as a substance subject to allotropy.
The New Gresham Encyclopedia. Vol. 1 Part 1 Various
noun
the existence of an element in two or more physical forms. The most common elements having this property are carbon, sulphur, and phosphorus
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