tridymite

名词 n.
中文释义

英文释义

名词 n.
  1. A rare mineral of volcanic rocks that solidified at a high temperature, with the chemical composition silicon dioxide, SiO₂. Tridymite is chemically identical to quartz, but has a different crystal structure. Sometimes contains sodium aluminum silicate, which seems to be expelled when quartz solidifies at lower temperatures. countable,uncountable

词形变化

tridymites plural

词源

The name refers to the peculiar habit of crystallizing in groups of three individuals.
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