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accident insurance
accident-prone
accidental
accidental death
accidental death and dismemberment
accipiter
accipitrine
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accessory mineral
ac·ces·so·ry min·er·al (plural ac·ces·so·ry min·er·als)


noun 
Definition:
 
1. trace mineral in igneous rocks: a mineral that occurs in very small amounts within igneous rocks
2. minor mineral: a mineral in igneous rock that occurs in small quantities
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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