mercurialist

mercurialist

(mɜːˈkjʊərɪəlɪst)
n
(Astrology) obsolete a person born under the planet Mercury
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
Thirdly, that Locke, like Boyle and Hooke, practised speculative natural philosophy and that, like Boyle, he favoured the corpuscularian hypothesis (that matter consisted of small sub-microscopic particles) and mercurialist transmutational chymistry (derived from Paracelsus, Van Helmont, and the alchemical tradition as opposed to the Galenic theory of the humours).
Others to follow Folkestone: 2.30 Mercurialist, 3.00 Billy One Punch, 3.30 Nisr, 4.00 Millinsky, 4.30 Iamback, 5.00 Wasalat.