rydberg : Idioms & Phrases
rydberg constant
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noun a wave number characteristic of the wave spectrum of each element
rydberg; rydberg constant.
WordNet
rydberg unit
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noun a wave number characteristic of the wave spectrum of each element
rydberg; rydberg constant.
WordNet
rydberg's penstemon
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noun plant with whorls of small dark blue-violet flowers; Washington to Wyoming and south to California and Colorado
Penstemon rydbergii.