TURNSOLE
Etymology
Noun
turnsole (countable and uncountable, plural turnsoles)
The heliotrope; so named because its flowers are supposed to turn toward the sun.
The sunflower.
A kind of spurge (Euphorbia helioscopia).
The euphorbiaceous plant Chrozophora tinctoria.
A purple dye obtained from Chrozophora tinctoria.
(chemistry, obsolete) litmus
Anagrams
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Source: Wiktionary
Turn"sole`, n. Etym: [F. tournesol, It. tornasole; tornare to turn
(LL. tornare) + sole the sun, L. sol. See Turn, Solar, a., and cf.
Heliotrope.] [Written also turnsol.]
1. (Bot.)
(a) A plant of the genus Heliotropium; heliotrope; -- so named
because its flowers are supposed to turn toward the sun.
(b) The sunflower.
(c) A kind of spurge (Euphorbia Helioscopia).
(d) The euphorbiaceous plant Chrozophora tinctoria.
2. (Chem.)
(a) Litmus. [Obs.]
(b) A purple dye obtained from the plant turnsole. See def. 1 (d).
Source: Webster’s Unabridged Dictionary 1913 Edition