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单词 tourmaline
释义

Trends of
tourmaline

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tourmaline in British English

(ˈtʊəməˌliːn)
noun
any of a group of hard glassy minerals of variable colour consisting of complex borosilicates of aluminium with quantities of lithium, sodium, calcium, potassium, iron, and magnesium in hexagonal crystalline form: used in optical and electrical equipment and in jewellery
Derived forms
tourmalinic (ˌtʊəməˈlɪnɪk)
adjective
Word origin
C18: from German Turmalin, from Sinhalese toramalli carnelian

tourmaline in American English

(ˈtʊrməlɪn; ˈtʊrməˌlin)
noun
a very hard, piezoelectric, rhombohedral mineral, (Na,Ca)(Mg,Fe,Al,Li)3Al6(BO3)3(Si6O18)(OH)4, of various colors, used as a gem and in making pressure gauges
Word origin
Fr, ult. < Sinhalese tōramalli, carnelian

Image of
tourmaline

picture of tourmaline
© Albert Russ, Shutterstock

Examples of 'tourmaline' in a sentence
tourmaline

On her fourth finger, left hand, was a clear pink tourmaline set in gold.
MacLeod, Charlotte SOMETHING IN THE WATER (2001)
You probably know there's a lot of first-rate tourmaline in Maine.
MacLeod, Charlotte SOMETHING IN THE WATER (2001)
You don't by any chance mean Evander Wye, Fred's brother who works at the tourmaline mine?
MacLeod, Charlotte SOMETHING IN THE WATER (2001)
The wood and his skin glowed against the deep tourmaline green color of his shirt.
Elizabeth Lowell TO THE ENDS OF THE EARTH (2001)

Word lists with
tourmaline

gem, mineral
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英语词典包含298861条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。

　

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更新时间：2026/5/30 19:51:35