Fluids, Not Allowed in Large Quantities on Planes

This page is the CodyCross answer for the clue below from Apothecary, Group 1980, Puzzle 3 (Scientific Study).

Question is: Fluids, Not Allowed in Large Quantities on Planes

and the answer is: LIQUIDS

Word Meaning:

LIQUIDS — plural of liquid

Definitions from Wiktionary.