conchoidal / kɒŋˈkɔɪd l /

🎓大学词汇螺帽状螺线型螺帽形圆锥形

conchoidal 的定义

adj. 形容词 adjective

Mineralogy.

  1. noting a shell-like fracture form produced on certain minerals by a blow.

更多conchoidal例句

  1. Very compact and fine-grained reddish granular quartz, with a glistening lustre, and flat conchoidal fracture.
  2. I am told conchoidal white lime-stone meets it on both the east and west sides.
  3. In the form of translucent fragments, with a highly conchoidal fracture, among the debris of the shores of Lake Pepin.
  4. At ordinary temperatures ebonite is hard and brittle and breaks with a well-marked conchoidal fracture.
  5. The fracture of this fossil is perfectly conchoidal, sometimes glossy, and sometimes dull on the surface.