actinium
English[edit]
Chemical element | |
---|---|
Ac | |
Previous: radium (Ra) | |
Next: thorium (Th) |
Etymology[edit]
Borrowed from French actinium. actin- + -ium.
Pronunciation[edit]
Noun[edit]
actinium (usually uncountable, plural actiniums)
- A radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores.
Derived terms[edit]
Related terms[edit]
Translations[edit]
|
Danish[edit]
Alternative forms[edit]
Noun[edit]
actinium
- actinium
Dutch[edit]
Chemical element | |
---|---|
Ac | |
Previous: radium (Ra) | |
Next: thorium (Th) |
Etymology[edit]
Borrowed from French actinium.
Pronunciation[edit]
Noun[edit]
actinium n (uncountable)
- actinium [from ca. 1900]
Related terms[edit]
French[edit]
Pronunciation[edit]
Noun[edit]
actinium m (uncountable)
Further reading[edit]
- “actinium”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012.
Latin[edit]
Etymology[edit]
From Ancient Greek ἀκτίς, ἀκτῖν- (aktís, aktîn-, “ray”).
Pronunciation[edit]
- (Classical) IPA(key): /akˈtiː.ni.um/, [äkˈt̪iːniʊ̃ˑ]
- (modern Italianate Ecclesiastical) IPA(key): /akˈti.ni.um/, [äkˈt̪iːnium]
Audio (ecclesiastical) (file)
Noun[edit]
actīnium n (genitive actīniī); second declension
Declension[edit]
Second-declension noun (neuter).
Case | Singular | Plural |
---|---|---|
Nominative | actīnium | actīnia |
Genitive | actīniī | actīniōrum |
Dative | actīniō | actīniīs |
Accusative | actīnium | actīnia |
Ablative | actīniō | actīniīs |
Vocative | actīnium | actīnia |
Norwegian Bokmål[edit]
Chemical element | |
---|---|
Ac | |
Previous: radium (Ra) | |
Next: thorium (Th) |

Etymology[edit]
First part actin- from Ancient Greek ἀκτίς (aktís, “ray, beam”), from Proto-Hellenic [Term?], from Proto-Indo-European *nókʷ-t-u-s ~ *n̥kʷ-t-éw-s, from *nókʷts (“night”), from *negʷ- (“bare, naked”). Last part from Latin -ium (forms names of chemical elements), from -ius (forms adjectives), from Old Latin -iōs, from Proto-Italic *-jos (forms comparative adverbs), from Proto-Indo-European *-yōs ~ *-is- (forms adjectives).
Pronunciation[edit]
Noun[edit]
actinium n (definite singular actiniumet, indefinite plural actinium, definite plural actiniuma or actiniumene)
- (organic chemistry) actinium (a radioactive, metallic chemical element (symbol: Ac) with an atomic number of 89; found in uranium ores)
- 2015, periodesystemet.no:
- actinium får nitrogenet i luften til å lyse blått
- actinium causes the nitrogen in the air to glow blue
References[edit]
- “actinium” in The Bokmål Dictionary.
- “actinium” in Det Norske Akademis ordbok (NAOB).
- “actinium” in Store norske leksikon
- en:Chemical elements
- English terms borrowed from French
- English terms derived from French
- English terms prefixed with actin-
- English terms suffixed with -ium
- English 3-syllable words
- English terms with IPA pronunciation
- English terms with audio links
- English lemmas
- English nouns
- English uncountable nouns
- English countable nouns
- en:Actinide series chemical elements
- Danish lemmas
- Danish nouns
- Danish terms spelled with C
- nl:Chemical elements
- Dutch terms borrowed from French
- Dutch terms derived from French
- Dutch terms with IPA pronunciation
- Dutch terms with audio links
- Dutch lemmas
- Dutch nouns
- Dutch uncountable nouns
- Dutch neuter nouns
- French 3-syllable words
- French terms with IPA pronunciation
- French terms with audio links
- French lemmas
- French nouns
- French uncountable nouns
- French masculine nouns
- fr:Chemical elements
- Latin terms derived from Ancient Greek
- Latin 4-syllable words
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- Latin neuter nouns in the second declension
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- la:Chemical elements
- nb:Chemical elements
- Norwegian Bokmål terms derived from Proto-Indo-European
- Norwegian Bokmål terms derived from the Proto-Indo-European root *negʷ-
- Norwegian Bokmål terms derived from Ancient Greek
- Norwegian Bokmål terms derived from Proto-Hellenic
- Norwegian Bokmål terms derived from Latin
- Norwegian Bokmål terms derived from Old Latin
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- Rhymes:Norwegian Bokmål/ʉm
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- Norwegian Bokmål terms spelled with C
- Norwegian Bokmål neuter nouns
- nb:Organic chemistry
- Norwegian Bokmål terms with quotations
- nb:Chemistry