noun🔗ShareA small to mid-size reptile, of the family Chamaeleonidae, and one of the best known lizard families able to change color and project its long tongue."The chameleon on the windowsill changed color from brown to green. "animalbiologynatureorganismChat with AIVocabulary GamePractice Reading
noun🔗ShareA person with inconstant behavior; one able to quickly adjust to new circumstances."My cousin is a chameleon; he changes his opinion about which school club to join almost every week. "characterhumanpersonattitudeabilityChat with AIVocabulary GamePractice Reading
noun🔗ShareA hypothetical scalar particle with a non-linear self-interaction, giving it an effective mass that depends on its environment: the presence of other fields."Because it interacts with the strong electromagnetic fields near the power plant, this hypothetical "chameleon" particle would have a much larger mass there than it would in the relative vacuum of deep space. "physicsenergyChat with AIVocabulary GamePractice Reading
adjective🔗ShareDescribing something that changes color."The wall was covered with a chameleon paint."appearancenatureanimalcolorChat with AIVocabulary GamePractice Reading
