First published 1921; not fully revised
zygaditenoun
Factsheet
What does the noun zygadite mean?
There is one meaning in OED's entry for the noun zygadite. See ‘Meaning & use’ for definition, usage, and quotation evidence.
Entry status
OED is undergoing a continuous programme of revision to modernize and improve definitions. This entry has not yet been fully revised.
How is the noun zygadite pronounced?
British English
/ˈzɪɡədʌɪt/
Where does the noun zygadite come from?
Earliest known use
1860s
The earliest known use of the noun zygadite is in the 1860s.
OED's earliest evidence for zygadite is from 1861, in a glossary by Henry William Bristow, geologist.
zygadite is a borrowing from German.
Etymons: German zygadit.
Nearby entries
- Zweig, n.1973–
- zwieback, n.1894–
- zwieselite, n.1861–
- Zwinglian, n. & adj.1532–
- Zwinglianism, n.1581–
- Zwinglianist, n.1673–1759
- zwischenzug, n.1941–
- zwitterion, n.1906–
- zwitterionic, adj.1946–
- Zydeco, n.1949–
- zygadite, n.1861–
- zygaena, n.1717–
- zygaenid, n. & adj.1913–
- zygaenidan, n.1837–
- zygal, adj.1886–
- zygantrum, n.1854–
- zygapophysial, adj.1870–
- zygapophysis, n.1854–
- zygite, n.1888–
- zygnemaceous, adj.
- zygnemid, n.1887–
Etymology
Summary
A borrowing from German.
Etymon: German zygadit.
< German zygadit (Breithaupt), < Greek ζυγάδην in pairs, < ζυγόν yoke.
Meaning & use
Mineralogy.
- 1861–A variety of albite, occurring in tabular twin crystals, of a yellowish-white or reddish colour.
- 1861H. W. Bristow, Glossary of Mineralogy
- 1886
Zygadite..occurs in druses in the slate of St. Andreasberg in association with quartz and sphalerite.
Journal of Chemical Society vol. 50 518
the world the earth minerals types of mineral silicates tectosilicate [nouns] feldspar plagioclase albites- white schorl1777–= albite, n.
- albite1817–A sodium-rich plagioclase and an alkali feldspar, typically white or colourless, occurring widely in granitic rocks and also as prismatic…
- pericline1832–Mineralogy. A variety of albite occurring as large elongated white crystals, often twinned. Frequently attributive.
- adinole1835–A hard, fine-grained rock, rich in albite, resulting from contact metamorphism of shales, slates, etc.
- peristerite1843–A sodic plagioclase in the albite–oligoclase range of composition with a blue or bluish-white opalescence.
- potass-albite1850A feldspar similar to albite but with sodium partly replaced by potassium; anorthoclase.
- zygadite1861–A variety of albite, occurring in tabular twin crystals, of a yellowish-white or reddish colour.
- albitite1896–A granular rock consisting largely of albite.
Pronunciation
British English
/ˈzɪɡədʌɪt/
Consonants
- ppea
- ttea
- kkey
- bbuy
- ddye
- ɡguy
- tʃchore
- dʒjay
- ffore
- θthaw
- ssore
- ʃshore
- vvee
- ðthee
- zzee
- ʒbeige
- xloch
- hhay
- llay
- ɬrhingyll
- rray
- wway
- jyore
- mmay
- nnay
- ŋsing
Some consonants can take the function of the vowel in unstressed syllables. Where necessary, a syllabic marker diacritic is used, hence
Vowels
- iːfleece
- ihappy
- ɪkit
- ɛdress
- atrap, bath
- ɑːstart, palm, bath
- ɒlot
- ɔːthought, force
- ʌstrut
- ʊfoot
- uːgoose
- əletter
- əːnurse
- ɪənear
- ɛːsquare
- ʊəcure
- eɪface
- ʌɪpride
- aʊmouth
- əʊgoat
- ɔɪvoice
- ãgratin
- ɒ̃salon
- ᵻ(/ɪ/-/ə/)
- ᵿ(/ʊ/-/ə/)
Other symbols
- The symbol ˈ at the beginning of a syllable indicates that that syllable is pronounced with primary stress.
- The symbol ˌ at the beginning of a syllable indicates that that syllable is pronounced with secondary stress.
- Round brackets ( ) in a transcription indicate that the symbol within the brackets is optional.
View the pronunciation model here.