adjective

• (of a substance) undergoing a reversible change of colour when heated or cooled.

  ‘Others used materials with thermochromic pigments that change colour at different temperatures.’

  More example sentences

  • ‘The design is printed in thermochromic ink, so when the stamp is heated - such as by placing a finger on it - the ink changes colour to reveal an ion enclosed within the ‘buckyball’ cage.’
  • ‘This gives a thermochromic transition temperature of 29°C, which is near ideal for intelligent window coatings.’