SPINELLE

Noun

spinelle (plural spinelles)

Dated form of spinel.

Source: Wiktionary


Spi*nel", Spi*nelle", n. Etym: [F. spinelle, or LL. spinellus, perhaps from L. spina a thorn, a prickle, in allusion to its pointed crystals.] (Min.)

Definition: A mineral occuring in octahedrons of great hardness and various colors, as red, green, blue, brown, and black, the red variety being the gem spinel ruby. It consist essentially of alumina and magnesia, but commonly contains iron and sometimes also chromium.

Note: The spinel group includes spinel proper, also magnetite, chromite, franklinite, gahnite, etc., all of which may be regarded as composed of a sesquioxide and a protoxide in equal proportions.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

26 June 2024

INCORPORATE

(verb) include or contain; have as a component; “A totally new idea is comprised in this paper”; “The record contains many old songs from the 1930’s”


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Coffee Trivia

An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.

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