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A metric unit of length equal to one billionth of a meter
Answer for the clue "A metric unit of length equal to one billionth of a meter ", 15 letters:
micromillimetre
Word definitions for micromillimetre in dictionaries
WordNet
Word definitions in WordNet
n. a metric unit of length equal to one billionth of a meter [syn: nanometer , nanometre , nm , millimicron , micromillimeter ]