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