Dictionary.com

perthite

[ pur-thahyt ]
/ 藞p蓽r 胃a瑟t /
Save This Word!

noun Mineralogy.
a variety of feldspar containing irregular bands of albite in microcline.
QUIZ
GOOSES. GEESES. I WANT THIS QUIZ ON PLURAL NOUNS!
Test how much you really know about regular and irregular plural nouns with this quiz.
Question 1 of 9
Which of the following nouns has an irregular plural form?

Origin of perthite

1832; named after Perth, Ontario, Canada; see -ite1

OTHER WORDS FROM perthite

per路thit路ic [per-thit-ik], /p蓹r藞胃瑟t 瑟k/, adjectiveper路thit路i路cal路ly, adverb
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, 漏 Random House, Inc. 2022
FEEDBACK