Dydw i ddim yn gwybod ei rhif ffôn hi.
I don't know her telephone number.
A2
Welsh word
rhif
number
nounmasculine/r̥iːv/
rhif means “number” in Welsh and is used as a noun. Its recorded IPA pronunciation is /r̥iːv/.
Mutation forms
| Mutation | Form |
|---|---|
| Base form | rhif |
| Treiglad Meddal | rif |
rhif in context
Mae yna ddau sero yn y rhif "2010".
There are two zeros in the number "2010."
B1
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
Ydy rhif ffôn yr ysgol yn y ddesg?
Is the school's phone number in the desk?
A2
Mae rhif ffôn Tom yn y ddesg.
Tom's phone number is in the desk.
A2
Topics
NumbersSchool