Helmont(redirected from Jan Baptist van Helmont)
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(Biography) Jean Baptiste van (ʒɑ̃ batist vɑn). 1577–1644, Flemish chemist and physician. He was the first to distinguish gases and claimed to have coined the word gas
Hel•mont(ˈhɛl mɒnt; Flem. ˈhɛl mɔnt)
Jan Baptista van (yɑn) 1579–1644, Flemish chemist and physician.