Go to MSN Homeencarta®
Dictionary
Find
in
Dictionary
Thesaurus
Translations
ABCDEFGHIJKLMNOPQRSTUVWXYZ
Click to move up the list of words
echocardiogram
echocardiograph
echoencephalogram
echoencephalograph
echogram
echographia
echography
echoic
echoic memory
echoism
echolalia
echolocate
echolocation
echolocator
echopraxia
echovirus
Echuca
Click to move down the list of words
Also available:

World English Dictionary
Dictionnaire Français

echinoid
e·chi·noid [ i k nòyd, ékə nòyd ] (plural e·chi·noids)


noun 
Definition:
 
ocean invertebrate: an invertebrate ocean animal with a hard ovoid body and movable spines. Sea urchins and sand dollars are echinoids. Class Echinoidea.

e·chi·noid adjective
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
Advertisement
© 2009 Microsoft