What does alcohol-in-glass thermometer mean?
• ALCOHOL-IN-GLASS THERMOMETER (noun) The noun ALCOHOL-IN-GLASS THERMOMETER has 1 sense: 1. thermometer consisting of a glass capillary tube marked with degrees Celsius or Fahrenheit and containing alcohol which rises or falls as it expands or contracts with changes in temperature Familiarity information: ALCOHOL-IN-GLASS THERMOMETER used as a noun is very rare.