noun🔗ShareSpeed, swiftness; the condition of being rapid"The rapidity of her typing allowed her to finish the report before the deadline. "timequalityphysicsChat with AIVocabulary GamePractice Reading
noun🔗ShareA measure of velocity relative to the speed of light"The rapidity of the train's movement was measured relative to the speed of light, showing how incredibly fast it was traveling. "physicsscienceChat with AIVocabulary GamePractice Reading
noun🔗ShareA measure of the velocity of a particle in a beam relative to the beam's axis"The electron beam's rapidity was crucial for the scanning electron microscope to create a detailed image of the tiny insect. "physicsChat with AIVocabulary GamePractice Reading
