grinding означает в русский

grinding - это форма слова grind.

Английский	Русский
grind [ground, ground, grinding, grinds] (to reduce to smaller pieces) verb [UK: ɡraɪnd] [US: ˈɡraɪnd]	молотьverb {imPlf} толочьverb {imPlf}
grind [ground, ground, grinding, grinds] (to remove material by rubbing with an abrasive surface) verb [UK: ɡraɪnd] [US: ˈɡraɪnd]	отшлифоватьverb {Plf} шлифоватьverb {imPlf}
grind [ground, ground, grinding, grinds] (to work or study hard) verb [UK: ɡraɪnd] [US: ˈɡraɪnd]	зубритьverb {imPlf}

Английский

Русский

grind [ground, ground, grinding, grinds] (to reduce to smaller pieces)
verb
[UK: ɡraɪnd]
[US: ˈɡraɪnd]

grind [ground, ground, grinding, grinds] (to remove material by rubbing with an abrasive surface)
verb
[UK: ɡraɪnd]
[US: ˈɡraɪnd]

grind [ground, ground, grinding, grinds] (to work or study hard)
verb
[UK: ɡraɪnd]
[US: ˈɡraɪnd]