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rissoid

adjective
ris·​soid | \ ˈrisəwə̇d, -ˌsȯid\
variants: or rissoidean \ ¦risə¦widēən, rə̇ˈsȯid-​ \

Definition of rissoid 

(Entry 1 of 2)

: of or relating to the Rissoidae

rissoid

noun
\ "\
plural -s

Definition of rissoid (Entry 2 of 2)

: a snail of the family Rissoidae

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History and Etymology for rissoid

Adjective

rissoid from New Latin Rissoidae; rissoidean from New Latin Rissoidae + English -an

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