About: point mass

Premodifier: point
Head noun: mass

Same concepts
http://dbpedia.org/resource/Point_particle

Broader concepts

label	provenance	confidence
idealization	isap:313659153	0.422304
good approximation	isap:41774857	0.316677

Narrower concepts

label	provenance	confidence
black hole	isap:172218451	0.536538
earth	isap:200465970	0.262526
mass	isap:166815719	0.223096