<p><strong>Noun</strong></p><ul><li>A clear, usually seasoned broth made by straining water in which beef, chicken, etc., has been cooked, or by dissolving a commercially prepared bouillon cube or cubes in hot water.</li><li>Slang: a thick fog.</li><li>Slang: added power, especially horsepower.</li><li>Slang: nitroglycerin.</li><li>Photography Slang: developing solution.</li></ul>