rheolydd

Welsh

Etymology

rheoli +‎ -ydd.

Pronunciation

• (North Wales) IPA^(key): /r̥ɛˈɔlɨ̞ð/
• (South Wales) IPA^(key): /r̥ɛˈoːlɪð/, /r̥ɛˈɔlɪð/

Noun

rheolydd m (plural rheolyddion)

1. controller, regulator
2. (sciences) control (variable kept the same in an experiment)

   Synonym: newidyn rheolydd

Derived terms

• newidyn rheolydd (“control variable”)
• rheolydd calon (“pacemaker”)
• rheolydd pell (“remote control (device)”)

Mutation

Mutated forms of rheolydd

radical	soft	nasal	aspirate
rheolydd	reolydd	unchanged	unchanged

Note: Certain mutated forms of some words can never occur in standard Welsh.
All possible mutated forms are displayed for convenience.