1. Noun
An instrument or machine for showing when the sun arrived at the tropics and equinoctial line.
2. Noun
A plant of the genus Heliotropium; -- called also turnsole and girasole. H. Peruvianum is the commonly cultivated species with fragrant flowers.
3. Noun
An instrument for making signals to an observer at a distance, by means of the sun's rays thrown from a mirror.
4. Noun
See Bloodstone (a).
5. Noun
green chalcedony with red spots that resemble blood
Vocabulary classified under Chemistry
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