hälleflinta

释义与例句

n.
  1. 1.

    A fine-grained rock consisting of an intimate mixture of quartz and feldspar, sometimes banded or striated, sometimes containing porphyritic crystals of quartz.

    不可数

词源

From Swedish hälleflinta (literally “rock-flint”), from häll + flinta (compare Old Norse flettu (grjót (“flintstone”)), from Middle Low German vlint, from Old Saxon *flint, from Proto-West Germanic *flint).

来源：wiktionary