n.
1.a unit of magnetic flux density equal to one weber per square meter
2.United States electrical engineer and inventor (born in Croatia but of Serbian descent) who discovered the principles of alternating currents and developed the first alternating-current induction motor and the Tesla coil and several forms of oscillators (1856-1943)
Idiom of the Day
spaced out
to be confused or incoherent, to resemble someone who is using drugs, to be daydreaming
The boy was totally spaced out when the teacher asked him a question about his homework.