| Ruta |
type genus of the Rutaceae; strong-scented Eurasian herbs
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| Rutherford atom |
first modern concept of atomic structure; all of the positive charge and most of the mass of the atom are contained in a compact nucleus; a number of electrons (equal to the atomic number) occupy the rest of the volume of the atom and neutralize the positive charge
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| rutherfordium |
a radioactive transuranic element which has been synthesized
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| rub |
move over something with pressure; "rub my hands"; "rub oil into her skin" hang-up: an unforeseen obstacle cause friction; "my sweater scratches" scrape or rub as if to relieve itching; "Don't scratch your insect bites!" the act of rubbing or wiping; "he gave the hood a quick rub"
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| rubbing alcohol |
lotion consisting of a poisonous solution of isopropyl alcohol or denatured ethanol alcohol for external use
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