| 释义 |
turn·sole
\ˈtərnˌsōl\ noun
(-s)
Etymology: Middle English turnesole, from Middle French tournesol, from Old Italian tornasole, from tornare to turn (from Medieval Latin) + sole sun, from Latin sol (accusative solem) — more at turn, solar
1. : any of several plants whose flowers or stems are supposed to follow the movement of the sun:
a. : heliotrope 1b
b. : sunflower
c. : sun spurge
d. : a double-flowered tulip (Tulipa suaveolens) of southern Russia
2. : a European annual herb (Chrozophora tinctoria) of the family Euphorbiaceae the juice of which is turned blue by ammonia
3.
a. : a purple dye obtained from the turnsole (sense 2)
b. : litmus |