Meanings
raie ultime1
plural raies ultimes · alternative Raie Ultime
- spectroscopyThe line in an atomic spectrum that results from a transition to the lowest level of excitation from the first higher non-metastable level.
De Gramont distinguished by the name of Raie Ultime that line in the spectrum of an element which is the last to disappear.
1920, Optical Methods in Control and Research Laboratories, page 41 more example
In the second paper M. de Gramont considers the distribution of raies ultimes in different stellar types, having studied for this purpose the Harvard classifications, the numerous publications of Sir Norman Lockyer, and the works of Sir William Huggins.
1910 February 10, Nature, LXXXII, page 440
Raie Ultime2
plural Raies Ultimes
- Alternative letter-case form of raie ultime.
Origin
First attested in the plural in February 1910 and in the singular in 1920; French: raie (“line”) + ultime (“final”).
Full word history & related roots →Cite this entry
raie ultime. (n.d.). In WatkinsX Dictionary. Retrieved November 5, 2026, from https://dictionary.watkinsx.com/word/raie%20ultime
“raie ultime.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/raie%20ultime. Accessed November 5, 2026.
WatkinsX Dictionary, s.v. “raie ultime,” accessed November 5, 2026, https://dictionary.watkinsx.com/word/raie%20ultime.
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