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ceriwm

cerium

NounMasculine (gwrywaidd)dict/ˈkɛrjʊm/

"ceriwm" means "cerium" in Welsh (masculine noun). Pronounced /ˈkɛrjʊm/. Mutation forms: Treiglad Meddal → geriwm, Treiglad Trwynol → ngheriwm, Treiglad Llaes → cheriwm.

Mutation forms

In Welsh, the first letter of "ceriwm" changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formceriwm
Treiglad Meddalgeriwm
Treiglad Trwynolngheriwm
Treiglad Llaescheriwm

Further reading

Welsh Mutations Explained — Soft, Nasal & Aspirate →Welsh Pronunciation — It's Actually Easier Than English →How to Learn Welsh as an Adult — A Step-by-Step Roadmap →Best Apps to Learn Welsh (2026) →Browse all Welsh vocabulary →

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