<p><strong>Noun</strong></p><ul><li>nebulae (plural)</li><li>a cloud of interstellar gas and dust.</li><li>a faint opacity in the cornea.</li><li>cloudiness in the urine.</li><li>any liquid medication prepared for use as a spray.</li></ul><p><strong>Adjective</strong></p><ul><li>of, relating to, or characteristic of nebulae.</li></ul>