Definitions For Mercury

noun

• Temperature measured by a mercury thermometer
• The smallest planet and the nearest to the sun
• (Roman mythology) messenger of Jupiter and god of commerce; counterpart of Greek Hermes
• A heavy silvery toxic univalent and bivalent metallic element; the only metal that is liquid at ordinary temperatures
• A silver metal that is liquid at normal temperatures
• The mercury in a thermometer that shows the air's temperature
• The planet that is closest to the sun