micromillimetre /mī-krə-milˈi-mē-tər/

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

• penoncelles
• penoncels
• pen pal
• pen pals
• pen-pusher
• pen-pushers
• pens
• pensel
• pensels
• pensieroso
• pensil
• pensile
• pensileness
• pensilenesses
• pensilities
• pensility
• pensils
• pension
• pensionable
• pensionaries
• pensionary
• pensioned
• pensioner
• pensioners
• pension fund