micromillimetre /mī-krə-milˈi-mē-tər/

1. One millionth of a millimetre (now nanˈomētre; obsolete)
2. One thousandth of a millimetre (non-standard)

• beta decays
• Beta fibre
• betaine
• betaines
• beta interferon
• betake
• betaken
• betakes
• betaking
• beta particles
• beta rays
• beta rhythm
• beta rhythms
• betas
• beta test
• beta-test
• beta-tested
• beta-testing
• beta tests
• beta-tests
• beta-thalassaemia
• betatron
• betatrons
• beta wave
• beta waves