WordNet-Online
Free dictionary and thesaurus of English. Definitions, synonyms, antonyms and more...
Hint:double-click any word to get it searched!
law of areas
Nounlaw of areas has 1 sense
Kepler's second law, law of areas, law of equal areas - a law concerning the speed at which planets travel; a line connecting a planet to the sun will sweep out equal areas in equal times; "Kepler's second law means that a planet's orbital speed changes with its distance from the sun" --1is a kind ofKepler's law, Kepler's law of planetary motion