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apricot
April
April fool
April Fools’ Day
apron
apron skirt
apron strings
apropos
aprotic
aprotinin
apsara
apse
apsidal
apsis
APT
apt
apt.
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aprotic
a·pro·tic [ ay prṓtik ]


adjective 
Definition:
 
not supplying protons: describes a solvent that is unable to donate protons
[Mid-20th century. <a-2 + proton]
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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