Top Definition
A Billimetre (spelt with "re" because of it's English origin) is actually 1 tenth of a millimetre. It is 10 times as accurate as millimetres. 1cm = 100bm

(Can be shortened to Bill or Bills, or bm)
1 metre is the same as 10,000 billimetres.
by Gus Balderdash July 23, 2009
7 Words related to Billimetre

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