stonewort

/stohn-wurt, -wawrt/US // ˈstoʊnˌwɜrt, -ˌwɔrt //UK // (ˈstəʊnˌwɜːt) //

石莼菜,石竹草,石莼,石竹

Definitions

n.名词 noun

1
- : any of a plantlike group of green algae constituting the class Charophyceae, having a jointed body frequently encrusted with lime and usually attached to the bottom in fresh water.