friction 3
noundomain: activity
Princeton WordNet [ver.3.1]
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EnglishDefinition
effort expended in moving one object over another with pressure
Hypernym
effort 2
noun
use of physical or mental energy; hard work
EnglishDerivationally related form
frictional 1
adjective
pertaining to or worked or produced by friction
Hyponym
attrition 5
noun
the act of rubbing together; wearing something down by friction
