<p><strong>Noun:</strong></p><ul><li>A person or thing that condenses.</li><li>An apparatus for condensing.</li><li>Any device for reducing gases or vapors to liquid or solid form.</li><li>Optics: a lens or combination of lenses that gathers and concentrates light in a specified direction, often used to direct light onto the projection lens in a projection system.</li><li>Electricity: capacitor.</li></ul>