abbr. Internatioal Bureau of Weight and Measures 
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isohydric, isohydrobenzoin, isohydrocarbon, isohyet, isohyetose, isohygrens, isohygromen, isohygrotherm, isohyle, isohyperoside,
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Ibsenist, Ibsenite, ibt, ibuprofen, IBV, IBWM, IBY, ibylcaine, IC, ICA,