A form of gneiss derived by metamorphism from sedimentary rocks.
Early 20th century; earliest use found in Alfred Harker (1859–1939), petrologist. From para- + gneiss, after German Paragneiss.
英汉双解词典包含464360条英汉词条,基本涵盖了全部常用单词的翻译及用法,是英语学习的有利工具。