racing skiff
— Noun
– English
～ a shell for a single oarsman
red-skinned onion
— Noun
– English
～ onion with white to deep red tunic; California
rough-skinned newt
— Noun
– English
～ newt of humid coast from Alaska to southern California
rooter skunk
— Noun
– English
～ large naked-muzzled skunk with white back and tail; of southwestern North America and Mexico
rhyming slang
— Noun
– English
～ slang that replaces words with rhyming words or expressions and then typically omits the rhyming component; "Cockney rhyming slang"
rough sledding
— Noun
– English
～ a difficulty that can be overcome with effort; "we had a hard time getting here"; "analysts predicted rough sledding for handset makers"
REM sleep
— Noun
– English
～ a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
rapid eye movement sleep
— Noun
– English
～ a recurring sleep state during which dreaming occurs; a state of rapidly shifting eye movements during sleep
record sleeve
— Noun
– English
～ a sleeve for storing a phonograph record
raglan sleeve
— Noun
– English
～ a sleeve that extends in one piece to the neckline of a coat or sweater with seams from the armhole to the neck
rum sling
— Noun
– English
～ a sling made with rum
ram's-head lady's slipper
— Noun
– English
～ orchid of northern North America having a brownish-green flower and red-and-white lip suggestive of a ram's head
rising slope
— Noun
– English
～ the property possessed by a slope or surface that rises
Republic of Slovenia
— Noun
– English
～ a mountainous republic in central Europe; formerly part of the Habsburg monarchy and Yugoslavia; achieved independence in 1991
Richard E. Smalley
— Noun
– English
～ American chemist who with Robert Curl and Harold Kroto discovered fullerenes and opened a new branch of chemistry (born in 1943)
Richard Smalley
— Noun
– English
～ American chemist who with Robert Curl and Harold Kroto discovered fullerenes and opened a new branch of chemistry (born in 1943)