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diapedesis
diaper
diaper rash
diaphanous
diaphone
diaphoresis
diaphoretic
diaphragm
diaphysis
diapir
diapositive
diarchy
diarist
diarize
diarrhea
diarthrosis
diary
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diastole
di·as·to·le [ dī ástəlee ]


noun 
Definition:
 
expansion of heart on each beat: the rhythmic expansion of the chambers of the heart at each heartbeat, during which they fill with blood
[Late 16th century. Via late Latin< Greek, "separation, expansion" < diastellein "to place apart" < stellein "to place"]

di·a·stol·ic [ d ə stóllik ] adjective
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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