The·​si·​um | \ ˈthēsēəm, thə̇ˈsīəm \

Definition of Thesium

: a large genus of Old World root-parasitic herbs of the family Santalaceae with small linear or scalelike leaves and diclinous flowers — see bastard toadflax

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History and Etymology for Thesium

New Latin, from Latin thesium, thesion bastard toad flax, from Greek thēseion, probably from neuter of thēseios of Theseus, from Thēseus Theseus, mythological Greek hero

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“Thesium.” Dictionary, Merriam-Webster, Accessed 3 Dec. 2020.

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