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berserk
berserker
berth
bertha
Bertillon system
Berwick-upon-Tweed
Berwickshire
Berwyn
beryl
berylliosis
beryllium
beryllium oxide
bes
besan
Besançon
beseech
beset
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beryl

ber·yl [ bérrəl ]


noun 
Definition:
 
mineral used for gemstones: a hard, crystalline mineral, composed of beryllium aluminum silicate, that occurs in white, yellow, pink, green, or blue forms. Use: gems.

[12th century. Via French and Latin beryllus< Greek bērullos]

ber·yl·line [ bérrəlin, bérrə ln ] adjective
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