Definition of tourmaline Tourmaline
/tʊˈɹmʌliˌn/ - [turmuleen] - tour•ma•line
We found 6 definitions of tourmaline from 5 different sources.
Advertising
What does tourmaline mean?
WordNet
NounPlural: tourmalines |
||
| tourmaline - a mineral that is a complex borosilicate and hydroxide of aluminum containing iron and magnesium and calcium and lithium and sodium; it is usually black but occurs in transparent colored forms that are used as gemstones | ||
| transparent gem a gemstone having the property of transmitting light without serious diffusion | ||
| mineral solid homogeneous inorganic substances occurring in nature having a definite chemical composition | ||
= synonym
= antonym
= related word
= antonym
= related word
Wiktionary 
- tourmaline (Noun)
A complex black or dark coloured borosilicate mineral. - tourmaline (Noun)
A transparent gemstone cut from it.
Webster DictionaryWebster's Unabridged Dictionary 📘
- tourmaline (n.)
A mineral occurring usually in three-sided or six-sided prisms terminated by rhombohedral or scalenohedral planes. Black tourmaline (schorl) is the most common variety, but there are also other varieties, as the blue (indicolite), red (rubellite), also green, brown, and white. The red and green varieties when transparent are valued as jewels.
Electrical DictionaryThe Standard Electrical Dictionary 💡
-
tourmaline
A mineral; a subsilicate; characterized by the presence of boric trioxide, which replaces aluminum oxide. It is notable for possessing pyro-electric properties. (See Pyro-electricity.)
Part of speech
🔤- tourmaline, noun, singular of tourmalines.
Pronunciation
Word frequency
Sign Language
Your last searches
Last searches
Advertising
Advertising