headspace

/ˈhɛdˌspeɪs/
noun
  1. The state of one's mind or mental attitude; the way a person is thinking or feeling.
    • After the argument, she wasn't in a good headspace to study.
    • I need to get into the right headspace before my big presentation.
    • Meditation helps him clear his headspace and focus.
  2. The space above the liquid in a sealed container, such as a bottle or can.
    • When canning vegetables, you must leave enough headspace for expansion.
    • The headspace in the soda bottle prevents it from exploding during transport.
    • The chemist measured the headspace in the vial to analyze the gas.
What does "headspace" mean? | whatsthatwordmean | whatsthatwordmean