actinium

Definition from Wiktionary, a free dictionary

Contents 1 English 1.1 Etymology 1.2 Noun 1.2.1 Derived terms 1.2.2 Related terms 1.2.3 Translations 1.2.4 External links 2 Dutch 2.1 Pronunciation 2.2 Noun 3 French 3.1 Pronunciation 3.2 Noun

[edit] English

Chemical element
Ac	Previous: radon (Ra)
	Next: thorium (Th)

[edit] Etymology

From Ancient Greek ἀκτίς (aktis), “‘ray’”) + -ium.

[edit] Noun

actinium (uncountable)

Wikipedia

1. a radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores

[edit] Derived terms

• actinide
• actinium A
• actinium B
• actinium C
• actinium fluoride
• actinium series
• eka-actinium
• protactinium
• radioactinium

[edit] Related terms

• actinism
• actino-
• actinoid
• actinon

[edit] Translations

[edit] External links

For etymology and more information refer to: http://elements.vanderkrogt.net/elem/ac.html (A lot of the translations were taken from that site with permission from the author)

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[edit] Dutch

Wikipedia ^nl

[edit] Pronunciation

•  Audio^{help, file}

[edit] Noun

actinium n.

1. (chemistry) actinium

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[edit] French

Wikipedia ^fr

[edit] Pronunciation

• IPA: /ak.ti.njɔm/

[edit] Noun

actinium m (usually uncountable)

1. (chemistry) actinium