Old Name for a Millionth of a Meter

This page is the CodyCross answer for the clue below from Making a Documentary, Group 1509, Puzzle 5 (Creation Costs).

Question is: Old Name for a Millionth of a Meter

and the answer is: MICRON

Word Meaning:

MICRON — (physics, metrology) Synonym of micrometre (“one-millionth of a metre”).

Definitions from Wiktionary.

Old Name For A Millionth Of A Meter - Making a Documentary CodyCross Answers | CodyCross Solutions