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burnsides
burnt
burnt almond
burnt offering
burnt-out
burnt sienna
burnt umber
buroo
burp
burp gun
burqa
burr (1)
burr (2)
burr (3)
burr hole
burra
Burra Din
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burning glass
burn·ing glass (plural burn·ing glass·es)


noun 
Definition:
 
lens to produce heat: a convex lens that can concentrate the sun's rays to produce an intense spot of heat or fire at the focus
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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