As nouns the difference between locomotor and motility
is that locomotor is something that is capable of locomotion while motility is (uncountable) the state of being motile.
As an adjective locomotor
is of or pertaining to movement or locomotion.
locomotor
English
Adjective
(-)
Of or pertaining to movement or locomotion
Noun
(
en noun)
Something that is capable of locomotion
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motility
English
Noun
(uncountable) The state of being motile
(countable) The degree to which something is motile