A Ruler of Ancient Egypt, Term Means "great House"
This page is the CodyCross answer for the clue below from Science Lab, Group 305, Puzzle 3 (Molecular Formula).
Question is: A Ruler of Ancient Egypt, Term Means "great House"
and the answer is: PHARAOH
Word Meaning:
PHARAOH — (historical) The supreme ruler of Ancient Egypt; a formal address for the sovereign seat of power as personified by the "king" in an institutional role of Horus son of Osiris; often used by metonymy for Ancient Egyptian sovereignty
Definitions from Wiktionary.