- [uncountable]
a hard substance that forms on teeth 牙石；牙垢 a build-up of tartar 牙垢的积聚
- [countable] (old-fashioned)
a person in a position of authority who is strict and easily made angry 暴君；脾气暴躁的掌权者
Word Originlate Middle English: via medieval Latin from medieval Greek tartaron, of unknown origin.