Words starting with foucaultpen

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foucault — Jean Bernard Léon [zhahn ber-nar ley-awn] /ʒɑ̃ bɛrˈnar leɪˈɔ̃/ (Show IPA), 1819–68, French physicist.
foucault pendulum — a pendulum that demonstrates the rotation of the earth by exhibiting an apparent change in its plane of oscillation.