A Type of Science Dealing in Potions
Puzzle 19 of Words ending with – ING Piece of Cake Pack
Question is: A Type of Science Dealing in Potions
and the answer is: CHEMISTRY
Word Meaning:
CHEMISTRY — (uncountable) The branch of natural science that deals with the composition and constitution of substances and the changes that they undergo as a consequence of alterations in the constitution of their molecules.
Definitions from Wiktionary.