Welsh edit

Etymology edit

From ymasio (to fuse) +‎ -iad.

Pronunciation edit

Noun edit

ymasiad m (plural ymasiadau)

  1. (physics) (atomic) fusion

Mutation edit

Welsh mutation
radical soft nasal h-prothesis
ymasiad unchanged unchanged hymasiad
Note: Some of these forms may be hypothetical. Not every possible mutated form of every word actually occurs.