noun Download 🔗Share The state of being relative to something else. Examples : "The difficulty of a math problem's relativity to my current understanding made it challenging. " physics theory Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share The principle that the laws of physics should be the same for all observers. Examples : "Even though the ball looks like it's moving fast to me on the ground, the principle of relativity says someone on a train moving at a constant speed will see the ball obey the exact same laws of physics. " physics theory science Chat with AIVocabulary GamePractice Reading
noun Download 🔗Share Either of two theories (special relativity or general relativity) developed by German-American physicist Albert Einstein. Also called Einsteinian relativity. Examples : "Engineers need a strong understanding of relativity when designing GPS satellites because of the effects of gravity and speed on time. " theory physics science astronomy space time Chat with AIVocabulary GamePractice Reading