different between actinium vs ionium

English

Etymology

Borrowed from French actinium. actin- +? -ium

Pronunciation

• enPR: ?kt?n'??m, IPA^(key): /æk?t?ni?m/

Noun

actinium (uncountable)

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

Derived terms

Related terms

Translations

Danish

Alternative forms

• aktinium

Noun

actinium

1. actinium

Dutch

Etymology

Borrowed from French actinium.

Pronunciation

• IPA^(key): /?k?ti.ni.?m/
• Hyphenation: ac?ti?ni?um

Noun

actinium n (uncountable)

1. actinium [from ca. 1900]

Related terms

• actinide

French

Pronunciation

• IPA^(key): /ak.ti.nj?m/

Noun

actinium m (uncountable)

1. actinium

Further reading

• “actinium” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).

Latin

Etymology

From Ancient Greek ?????, ?????- (aktís, aktîn-, “ray”).

Pronunciation

• (Classical) IPA^(key): /ak?ti?.ni.um/, [äk?t?i?ni???]
• (Ecclesiastical) IPA^(key): /ak?ti.ni.um/, [?k?t?i?nium]

Noun

act?nium n (genitive act?ni?); second declension

1. actinium

Declension

Second-declension noun (neuter).

Norwegian Bokmål

Etymology

actin- +? -ium, first part from Ancient Greek ????? (aktís, “ray, beam”). Last part from Latin -ium (“suffix appended to form names of chemical elements”), from -ius (suffix forming adjectives), from Old Latin -i?s, from Proto-Italic *-jos, from Proto-Indo-European *-yós.

Pronunciation

• IPA^(key): /ak?ti?n??m/
• Rhymes: -??m
• Hyphenation: ac?ti?ni?um

Noun

actinium n (definite singular actiniumet, indefinite plural actinium, definite plural actiniuma or actiniumene)

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

References

• “actinium” in The Bokmål Dictionary.
• “actinium” in Det Norske Akademis ordbok (NAOB).
• “actinium” in Store norske leksikon

English

Noun

ionium (uncountable)

1. (physics) The isotope of thorium ²³⁰₉₀Th