Enter a clue or pattern or both:
The Clue
Precision instrument (10 letter answer)
The Answer
MICROMETER
Tags
Notes
The answer MICROMETER is so rare that it appears less than once every 2500 puzzles.
Definition
MICROMETER as a noun:
1. (micrometer, micrometer gauge, micrometer caliper) = caliper for measuring small distances
2. (micron, micrometer) = a metric unit of length equal to one millionth of a meter