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echinoderm
reject

e·chi·no·derm

echinoderm

 
pronunciation:
ih kI n duhrm
features:
Word Combinations (noun), Word Parts
part of speech: noun
definition: any of various marine animals that have parts radiating symmetrically from the center and hard, often spiny outer body walls, such as the starfishes and sea urchins.
Word Combinations  About this feature
adjective + (n.)echinoderm abundant, active, invertebrate, larval, only, other, peculiar, primitive, small
verb + (n.)echinoderm filter, group, help, perish, retract, walk
noun + (n.)echinoderm Help biomass, coral, crustacean, cucumber, curator, embryo, example, gene, group, ilk, larva, mollusk, phylum, polyp, sea, skeleton, species, sponge, stalk, starfish, stingray, symmetry, urchin, worm  [See all][See only the most frequent]
derivation: echinodermal (adj.)
Word Parts  About this feature
The word echinoderm contains the following part:
derm, derma, dermat, dermato Greek root that means skin