What does the word mercury mean?

Usage examples for mercury

  1. While Mars, Earth, Venus, and Mercury, whose rings must have been slender, take more than double that time: the smallest taking the longest. – Essays: Scientific, Political, & Speculative, Vol. I by Herbert Spencer
  2. A single glance at it was sufficient to show him that he was not mistaken, the mercury having fallen a full inch in little more than two hours. – The Voyage of the Aurora by Harry Collingwood
  3. Iron, gold, silver, copper, tin, and mercury are metals. – Home Geography For Primary Grades by C. C. Long