Definition of granule noun from the Oxford Advanced Learner's Dictionary

 

granule

 noun
noun
BrE BrE//ˈɡrænjuːl//
 
; NAmE NAmE//ˈɡrænjuːl//
 
[usually plural]
 
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a small, hard piece of something; a small grain instant coffee granules Word Origin mid 17th cent.: from late Latin granulum, diminutive of Latin granum ‘grain’.
See the Oxford Advanced American Dictionary entry: granule