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blastoid

noun blas·toid \ ˈblaˌstȯid \
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Definition of blastoid

plural -s
: an echinoderm or fossil of the class Blastoidea

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Origin and Etymology of blastoid

New Latin Blastoidea, from blast- + -oidea

2

blastoid

adjective \ " \

Definition of blastoid

: of, relating to, or like the Blastoidea

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