grindstones is grindstone's Plural Form

grindstone

US [ˈɡraɪndˌstoʊn]
UK [ˈɡraɪndˌstəʊn]
  • n.磨石;【机】砂轮形磨石
  • Web磨刀石
Plural Form:grindstones  
n.
1.
磨石;【机】砂轮形磨石

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard