Metric smidgen (6)
I believe the answer is:
micron
(Other definitions for micron that I've seen before include "hardly any length" , "One-millionth of a metre" , "Micrometre" , "Small length" , "One millionth of 3 Across" .)
I believe the answer is:
micron
(Other definitions for micron that I've seen before include "hardly any length" , "One-millionth of a metre" , "Micrometre" , "Small length" , "One millionth of 3 Across" .)