Rue-anemone
noun
1.
a small, North American plant, Anemonella thalictroides, of the buttercup family, having white or pinkish flowers.
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- Rued
verb (used with object), rued, ruing. 1. to feel sorrow over; repent of; regret bitterly: to rue the loss of opportunities. 2. to wish that (something) had never been done, taken place, etc.: I rue the day he was born. verb (used without object), rued, ruing. 3. to feel sorrow, repentance, or regret. noun 4. […]
- Rubify
verb (used with object), rubified, rubifying. 1. to make red; redden: a distant fire that rubified the sky.
- Rubier
noun, plural rubies. 1. a red variety of corundum, used as a gem. 2. something made of this stone or one of its imitations, as a bearing in a watch. 3. a deep-red port wine. 4. deep red; carmine. 5. British Printing. a 5½-point type, nearly corresponding in size to American agate. adjective 6. ruby-colored: […]
- Rubied
adjective 1. having a color like that of a ruby; deep red.
- Rubidium-strontium dating
[roo-bid-ee-uh m-stron-shee-uh m, -shuh m, -tee-uh m] /ruˈbɪd i əmˈstrɒn ʃi əm, -ʃəm, -ti əm/ noun, Geology. 1. a radiometric dating method whereby the ratio of rubidium isotope to strontium in a mineral is used to calculate the age of the mineral, based on the rate of radioactive decay of rubidium to strontium. rubidium-strontium dating […]