Below you can find the This adjective that precedes gallon means the measure is part of the british system Jeopardy Words Answer. The answer to This adjective that precedes gallon means the measure is part of the british system has 8 letters. This clue belongs to the Weights & measures category and is part of Jeopardy Word Level 1643. If you scroll near the bottom you will find other clues and answers part of level 1643