Mtb

noun
1.
(Brit) a motor torpedo boat
Materials Transportation Bureau

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abbreviation 1. methyl tertiary-butyl ether: a lead-free antiknock petrol additive methyl tertiary butyl ether
Mtbf
abbreviation 1. mean time between failures Mean Time Between Failures mean time between failures
Mtc
A Modula-2 to C translator. (ftp://rusmv1.rus.uni-stuttgart.de/soft/Unixtools/compilerbau/mtc.tar.Z). (1991-10-25)