(mathematics) Any plane curve that consists of loops (petals) emanating from a central point.

having a pink colour / (idiomatic) cheerfully optimistic

plural of Jamaica rose

A West Indian melastomaceous shrub (Blakea trinervia), with showy pink flowers.

4,5,6,7-tetrachloro-2',4',5',7'-tetraiodofluorescein, a stain whose sodium salt is commonly used in eyedrops to stain damaged cells and thereby identify damage.

plural of rose hip

Used other than figuratively or idiomatically: see desert, rose. / A flowering plant of South Africa, of genus Adenium. / Rosa stellata, a species of rose native to North America.

plural of wind rose

plural of Christmas rose

Used other than figuratively or idiomatically: see old, rose. / (horticulture) A rose belonging to any of the classes of cultivated roses in existence before the hybrid tea roses were developed.