heliotropium peruvianum

1 definition found

heliotropium peruvianum - Collaborative International Dictionary of English v.0.48 :

  Heliotrope \He"li*o*trope\, n. [F. h['e]liotrope, L.
     heliotropium, Gr. ?; ? the sun + ? to turn, ? turn. See
     Heliacal, Trope.]
     1. (Anc. Astron.) An instrument or machine for showing when
        the sun arrived at the tropics and equinoctial line.
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     2. (Bot.) A plant of the genus Heliotropium; -- called also
        turnsole and girasole. Heliotropium Peruvianum is
        the commonly cultivated species with fragrant flowers.
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     3. (Geodesy & Signal Service) An instrument for making
        signals to an observer at a distance, by means of the
        sun's rays thrown from a mirror.
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     4. (Min.) See Bloodstone
        (a) .
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     Heliotrope purple, a grayish purple color.
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