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Native Hawaiian
native hen
native land
Native North American
Native People
native son
Native South American
native speaker
native tongue
nativism
Nativity
nativity
nativity play
natl.
NATO
natriuresis
natriuretic factor
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Dictionnaire Français

natural aging
nat·u·ral ag·ing


noun 
Definition:
 
physical changes in material over time: physical changes that occur within a material over time at normal temperatures
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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