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Welsh/Words/pwysau

pwysau

weight

NounMasculine (gwrywaidd)B1/ˈpʊɨ̯saɨ̯/

“pwysau” means “weight” in Welsh (masculine noun). Pronounced /ˈpʊɨ̯saɨ̯/. Mutation forms: Treiglad Meddal → bwysau, Treiglad Trwynol → mhwysau, Treiglad Llaes → phwysau.

Mutation forms

In Welsh, the first letter of “pwysau” changes depending on the grammatical context. These are the mutated forms:

MutationForm
Base formpwysau
Treiglad Meddalbwysau
Treiglad Trwynolmhwysau
Treiglad Llaesphwysau

“pwysau” in context

Mae'n bosib gweld trefn yr elfennau yn y Tabl Cyfnodol sy'n dangos y nifer o brotonau sydd gan bob un a beth yw pwysau atomau'r elfen honno gan ddefnyddio Rhif Avogadro.

It is possible to see the order of the elements in the Periodic Table, which shows the number of protons in each of them, with which you can calculate the number of atoms in the element using Avogadro's number.

C1

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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