holmium /hol·mi·um/ (Ho) (hōl´me-um) chemical element, at. no. 67.
holmium (Ho)
hol·mi·um (h l m - m)n. Symbol Ho A soft malleable rare-earth element. Atomic number 67. |
holmium (Ho)
[hōl′mē·əm]
Etymology: L, Holmia, Stockholm, Sweden
a rare earth metallic element. Its atomic number is 67; its atomic mass is 164.93.
holmium
a chemical element, atomic number 67, atomic weight 164.930, symbol Ho. See Table 6.
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