holmium [ 'ɔlmjɔm ] n. m.
• 1880; de (Stock)holm et suff. -ium
Chim. Élément atomique (Ho; no at. 67; m. at. 164,93), métal du groupe des terres rares.

holmium nom masculin (de Stockholm) Métal du groupe des terres rares. (Élément de symbole Ho, l'holmium a pour numéro atomique 67 et pour masse atomique 164,93. Il a été découvert par P. T. Cleve dans l'erbine, en 1879.)

n. m. CHIM élément appartenant à la famille des lanthanides (symbole Ho), de numéro atomique Z = 67.

holmium [ɔlmjɔm] n. m.
ÉTYM. 1890, in Année sc. et industr. 1891, p. 617; (in P. Larousse, Deuxième Suppl. [1890]); dernière syllabe de Stockholm, et suff. -ium.
Chim. Métal du groupe des terres rares (symb. Ho;o at. 67).

Encyclopédie Universelle. 2012.

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