Found 2 items, similar to Micromillimeter.
English → English (WordNet) Definition: micromillimeter micromillimeter n : a metric unit of length equal to one billionth of a meter [syn: nanometer, nanometre, nm, millimicron, micromillimetre]
English → English (gcide) Definition: Micromillimeter Micromillimeter \Mi`cro*mil"li*me`ter\, n. [Micro- + millimeter.] The millionth part of a meter. Note: The millionth part of a meter is now termed a micron, and the word micromillimeter does not conform to the IS use of the prefix micro-. [1913 Webster +PJC]