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PlainSpell

actino-

French, prefix\ak.ti.no\

actino- is a French prefix meaning “actino-” (English Wiktionary, September 2026). The French Wiktionary (Wiktionnaire) defines it as “En relation avec les rayons”.

What does actino- mean in English?

prefix

  1. 1

    actino-

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

How French dictionaries define it

prefix: 1. En relation avec les rayons.

prefix: 1. En relation avec l’actinium.

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.

How do you pronounce actino-?

  • \ak.ti.no\

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