MILLIMICRON
Source: 567
Mil″li‐mi′cron (?), n. [[Milli- + micron.]] The thousandish part of a micron or the millionth part of a millimeter; — a unit of length used in measuring light waves, etc.
Source: 567
Mil″li‐mi′cron (?), n. [[Milli- + micron.]] The thousandish part of a micron or the millionth part of a millimeter; — a unit of length used in measuring light waves, etc.