cannelure

n. 物体表面之细槽

词形变化

cannelures 复数 cannelures

释义与例句

n.
  1. 1.

    A ringlike groove, such as that around the cylinder of an elongated bullet for small arms to contain a lubricant, or around the rotating band of a gun projectile to lessen the resistance offered to the rifling.

    工程 政治 军事

词源

Borrowed from French cannelure.

来源：wiktionary