Anas rubripes
— Noun
– English
～ a dusky duck of northeastern United States and Canada
Acer rubrum
— Noun
– English
～ maple of eastern and central America; five-lobed leaves turn scarlet and yellow in autumn
Aplodontia rufa
— Noun
– English
～ bulky nocturnal burrowing rodent of uplands of the Pacific coast of North America; the most primitive living rodent
Alectoris ruffa
— Noun
– English
～ common western European partridge with red legs
Alnus rugosa
— Noun
– English
～ common shrub of Canada and northeastern United States having shoots scattered with rust-colored down
Ayatollah Ruholla Khomeini
— Noun
– English
～ Iranian religious leader of the Shiites; when Shah Pahlavi's regime fell Khomeini established a new constitution giving himself supreme powers (1900-1989)
algorithmic rule
— Noun
– English
～ a precise rule (or set of rules) specifying how to solve some problem
Alfred Damon Runyon
— Noun
– English
～ United States writer of humorous stylized stories about Broadway and the New York underground (1884-1946)
Ambloplites rupestris
— Noun
– English
～ game and food fish of upper Mississippi and Great Lakes
Asian Russia
— Noun
– English
～ the Russia that is part of Asia
apple rust
— Noun
– English
～ rust fungus causing rust spots on apples and pears etc
Armoracia rusticana
— Noun
– English
～ coarse Eurasian plant cultivated for its thick white pungent root
Asplenium ruta-muraria
— Noun
– English
～ small delicate spleenwort found on a steep slope (as a wall or cliff) of Eurasia and North America
Atromid-S
— Noun
– English
～ a drug (trade name Atromid-S) that reduces lipids in the blood serum; used to treat some cardiovascular diseases
Albert Bruce Sabin
— Noun
– English
～ United States microbiologist (born in Poland) who developed the Sabin vaccine that is taken orally against poliomyelitis (born 1906)
Albert Sabin
— Noun
– English
～ United States microbiologist (born in Poland) who developed the Sabin vaccine that is taken orally against poliomyelitis (born 1906)