Trends oftourmaline
View usage for:
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 carneliantourmaline 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, carnelianImage oftourmaline
© Albert Russ, Shutterstock
Examples of 'tourmaline' in a sentencetourmaline
Word lists withtourmaline
gem, mineral- bullbars
- response variable
- responsibilities
- responsibilities included
- responsibility
- responsibility allowance
- responsibility payment
- responsible
- responsible citizen
- responsible journalism
- responsibleness
- responsibly
- responsion
- responsions
- responsive
- responsively
- responsiveness
- responsor
- responsorial
- responsories
- responsory
- responsum
- respool
- respot
- respray