Enter a clue or pattern or both:
The Clue
Yellowish butterfly (7 letter answer)
The Answer
SULPHUR
Tags
Notes
The answer SULPHUR is so rare that it appears less than once every 2500 puzzles.
Definition
SULPHUR as a noun:
1. (sulfur, S, sulphur, atomic number 16) = an abundant tasteless odorless multivalent nonmetallic element; best known in yellow crystals; occurs in many sulphide and sulphate minerals and even in native form (especially in volcanic regions)
SULPHUR as a verb:
1. (sulphur, sulfur) = treat with sulphur in order to preserve; "These dried fruits are sulphured"