holmium

[ hohl-mee-uhm ]

noun

, Chemistry.

1. a rare-earth, trivalent element found in gadolinite. : Ho; : 164.930; : 67.

holmium

/ ˈhɒlmɪəm /

noun

1. a malleable silver-white metallic element of the lanthanide series. Symbol: Ho; atomic no: 67; atomic wt: 164.93032; valency: 3; relative density: 8.795; melting pt: 1474°C; boiling pt: 2700°C

holmium

/ hōl′mē-əm /

1. A soft, silvery, malleable metallic element of the lanthanide series. Its compounds are highly magnetic. It is mainly used in scientific research but has also been used to make electronic devices. Atomic number 67; atomic weight 164.930; melting point 1,461°C; boiling point 2,600°C; specific gravity 8.803; valence 3.
2. See Periodic Table

Word History and Origins

Origin of holmium¹

< New Latin (1879), equivalent to Holm ( ia ) Stockholm + -ium -ium

Word History and Origins

Origin of holmium¹

C19: from New Latin Holmia Stockholm

Example Sentences

The 17 elements are: lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium.

From Reuters

Rare earth metals are a group of 17 elements - lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, lutetium, scandium, yttrium - that appear in low concentrations in the ground.

From Reuters

Since 2015, researchers have taken more than 470 samples of elements, including europium, holmium and scandium, from 60 sites across the Little Missouri Badlands.

From Washington Times

Others hope to pry out the neutrino's mass by studying nuclei of holmium-163, a synthetic radioisotope, created with particle accelerators, that undergoes a process nearly the opposite of beta decay called electron capture.

From Science Magazine

Natterer and his team used atoms of holmium, a rare-earth metal, sitting on a sheet of magnesium oxide, at a temperature below 5 kelvin.

From Nature