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Webster 1913 Edition
Turnsole
Turn′soleˊ
,Noun.
[F. , and cf.
tournesol
, It. tornasole
; tornare
to turn (LL. tornare
) + sole
the sun, L. sol
. See Turn
, Solar
, Adj.
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)
. Webster 1828 Edition
Turnsole
TURN'SOLE
,Noun.
Definition 2024
turnsole
turnsole
English
Alternative forms
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