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contraceptive ring
contract
contract bridge
contract grade
contract of employment
contract of purchase
contract out
contractile
contractile vacuole
contraction
contractionary fiscal policy
contractionary monetary policy
contractor
contracts
contractual
contracture
contradance
Also available:
World English Dictionary
Dictionnaire Français
contractile vacuole
con·trac·tile vac·u·ole
(
plural
con·trac·tile vac·u·oles
)
noun
Definition:
cell cavity that can contract:
a membrane-surrounded cavity within a cell that regulates the water content of the cell by absorbing water and then contracting to expel it
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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