1. United States physicist who discovered two belts of charged particles from the solar wind trapped by the Earth's magnetic field (born in 1914); [syn: Van Allen, James Alfred Van Allen]
WordNet (r) 3.0 (2006):
James Alfred Van Allen
n 1: United States physicist who discovered two belts of charged
particles from the solar wind trapped by the Earth's
magnetic field (born in 1914) [syn: Van Allen, James
Alfred Van Allen]