polysynthetic twinning
A type of contact twinning, typically observed in plagioclase, in which the…A type of contact twinning, typically observed in plagioclase, in which the composition surfaces are parallel to one another
Meaning
1 senses(uncountable, usually)A type of contact twinning, typically observed in plagioclase, in which the composition surfaces are parallel to one another
Forms
plural: polysynthetic twinnings| Singular | polysynthetic twinning |
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uncountable
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable