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Minimalist Dictionary
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echinoid
noun
Any sea urchin or sea dollar of the class Echinoidea.
adjective
Resembling a sea urchin.
Word Frequency 1800~2019
Related words
Other words
survival
empower
proponent
lankiness
from
judgingly
barge
donut
ravioli
unnamed
scoring
dragonish
cofounder
compactor
implement
contrite
sadness
anyone
ecosystem
fragility
echinoderm
aragonitic
bryozoan
crinoid
ostracod
brachiopod
ostracode
radiolarian
ophiuroid
foraminifer
gastropod
molluscan
protoconch
ammonoid
hydroid