holmium

American  

[hohl-mee-uhm] / ˈhoʊl mi əm /

noun

Chemistry.

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

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holmium British  

/ 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

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holmium Scientific  

/ 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

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Etymology

Origin of holmium

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

Example Sentences

In October, China added holmium to the list of restricted materials, putting an end to the gambit.

From The Wall Street Journal

Heavy rare-earth elements include dysprosium, terbium, holmium, erbium, thulium, ytterbium, lutetium, and yttrium.

From Barron's

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