Raynaud's sign
— Noun
– English
~ cyanosis of the extremities; can occur when a spasm of the blood vessels is caused by exposure to cold or by strong emotion
radical sign
— Noun
– English
~ a sign indicating the extraction of a root
red silk cotton
— Noun
– English
~ a plant fiber from the red silk-cotton tree of eastern India; inferior to kapok
red-flowered silky oak
— Noun
– English
~ tall shrub with cylindrical racemes of red flowers and pinnatifid leaves silky and grey beneath; eastern Australia
red silver fir
— Noun
– English
~ medium to tall fir of western North America having a conic crown and branches in tiers; leaves smell of orange when crushed
Rea Silvia
— Noun
– English
~ (Roman mythology) a vestal virgin who became the mother by Mars of the twins Romulus and Remus