Word Study
biro
CIDE DICTIONARY
biro, n. [from the name of the inventor.].
a pen with small metal ball as point of transfer of ink to paper; same as ballpoint pen. [WordNet 1.5]
OXFORD DICTIONARY
biro, n. (pl. -os) Brit. propr. a kind of ball-point pen.
Etymology
L. Bir{oacute}, Hung. inventor d. 1985
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