Enter a clue or pattern or both:

The Clue

Good for a scientist, bad for a roofer (12 letter answer)

The Answer

BREAKTHROUGH

Tags


Notes

The answer BREAKTHROUGH is so rare that it appears less than once every 2500 puzzles.

Definition

BREAKTHROUGH as a noun:

1. (discovery, breakthrough, find) = a productive insight
2. making an important discovery
3. a penetration of a barrier such as an enemy's defense