reflecting telescope
— Noun
– English
～ optical telescope consisting of a large concave mirror that produces an image that is magnified by the eyepiece; "Isaac Newton invented the reflecting telescope in 1668"
refracting telescope
— Noun
– English
～ optical telescope that has a large convex lens that produces an image that is viewed through the eyepiece
robotic telesurgery
— Noun
– English
～ microsurgery in which the surgeon performs surgery by manipulating the hands of a robot
room temperature
— Noun
– English
～ the normal temperature of room in which people live
Rana temporaria
— Noun
– English
～ a common semiterrestrial European frog
rebound tenderness
— Noun
– English
～ pain felt when a hand pressing on the abdomen is suddenly released; a symptom of peritoneal inflammation
real tennis
— Noun
– English
～ an ancient form of tennis played in a four-walled court
royal tennis
— Noun
– English
～ an ancient form of tennis played in a four-walled court
remote terminal
— Noun
– English
～ a terminal connected to a computer by a data link
railroad terminal
— Noun
– English
～ terminal where trains load or unload passengers or goods
red-bellied terrapin
— Noun
– English
～ freshwater turtle of Chesapeake Bay tributaries having red markings on the lower shell
rat terrier
— Noun
– English
～ any of several breeds of terrier developed to catch rats
reign of terror
— Noun
– English
～ any period of brutal suppression thought to resemble the Reign of Terror in France
Reign of Terror
— Noun
– English
～ the historic period (1793-94) during the French Revolution when thousands were executed; "the Reign of the Bourbons ended and the Reign of Terror began"
rabbit test
— Noun
– English
～ pregnancy test that involves injecting some of the woman's urine into an unmated female rabbit and later examining the ovaries of the rabbit; presence of corpora lutea indicates that the woman is pregnant
radioactive iodine test
— Noun
– English
～ test of thyroid function in which the patient is given an oral dose of radioactive iodine-131
radioactive iodine excretion test
— Noun
– English
～ radioactive iodine test that measures the amount of radioactive iodine excreted in the urine
Rorschach test
— Noun
– English
～ a projective tests using bilaterally symmetrical inkblots; subjects state what they see in the inkblot
Rubin test
— Noun
– English
～ test to determine the patency or occlusion of the Fallopian tubes
road test
— Noun
– English
～ a test to insure that a vehicle is roadworthy