Lanthanum

Lanthanum (lanthanum)
n.	(-nm)
Lan"tha*num
[NL., fr. Gr. lanqa`nein to lie hid, to be concealed.] (Chem.)

A rare element of the group of the earth metals, allied to aluminium. It occurs in certain rare minerals, as cerite, gadolinite, orthite, etc., and was so named from the difficulty of separating it from cerium, didymium, and other rare elements with which it is usually associated. Atomic weight 138.5. Symbol La.

[Formerly written also lanthanium.]

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The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia

Lanthanum

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News: twelve

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain. - Wikipedia

Lanthanum

Why Donate?

Donate Using PayPal

Donations from Outside of the United States

Donations by Other Methods

News: twelve

The dictionary's 1913 edition of the 1900 International, renamed Webster's Revised Unabridged Dictionary, has in modern times been used in various free online resources, as its copyright lapsed and it became public domain.
- Wikipedia