actinide

French, noun/ak.ti.nid/

actinide is a French masculine noun meaning “actinide” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “Élément chimique du tableau périodique se situant entre l’actinium et le lawrencium, et possédant donc un…”.

What does actinide mean in English?

noun

1
masculineactinide

Source: English Wiktionary, French section, dump of September 2, 2026 (CC BY-SA 4.0).

How French dictionaries define it

noun: 1. Élément chimique du tableau périodique se situant entre l’actinium et le lawrencium, et possédant donc un numéro atomique entre 89 et 103 (inclus).

The definition in the French Wiktionary (Wiktionnaire), in French.

Source: French Wiktionary (Wiktionnaire), dump of September 1, 2026 (CC BY-SA 4.0), through kaikki.org.

Forms of actinide

actinides plural

Source: English Wiktionary and French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026).

How do you pronounce actinide?

/ak.ti.nid/
\ak.ti.nid\
[ak.ti.nid]

Sources: English Wiktionary, French Wiktionary (Wiktionnaire) (dumps of September 2, 2026 and September 1, 2026); recordings from Wikimedia Commons.