peridotite

名词 n.
/ˈpɛɹ.ɪ.dəˌtaɪt/    /pəˈɹɪd.əˌtaɪt/|/ˈpɛɹ.ɪ.doʊˌtaɪt/

英文释义

名词 n.
  1. A rock consisting of small crystals of olivine, pyroxene and hornblende; the major constituent of the Earth's mantle. countable,uncountable
    — Varieties of peridotite are distinguished by their mineral composition; for example, dunite is a peridotite which is virtually all olivine, and a dense, dark green in colour.

词形变化

peridotites plural

词源

Etymology tree
English peridot
Proto-Indo-European *-tósder.
Ancient Greek -της (-tēs)der.
Ancient Greek -ῑ́της (-ī́tēs)der.
Latin -ītēsbor.
French -iteder.
English -ite
English peridotite
From peridot + -ite.
1 次浏览 数据来源: Wiktionary