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TermCymru

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Results are displayed in Welsh alphabetical order A-Y
Welsh: hanner oes
English: half-life
Status B
Subject: Environment
Part of speech: Noun, Masculine, Singular
Plural: hanner oesau
Definition: Yr amser a gymer ymbelydredd isotop penodol i ddadfeilio i hanner y gwerth gwreiddiol.
Notes: Yng nghyd-destun ymbelydredd.
Last updated: 23 March 2021