cyfongl

Welsh

Etymology

cyf- (“co-”) +‎ ongl (“angle”).

Noun

cyfongl m (plural cyfonglau)

1. right angle

   Synonym: unionongl

2. rectangle

   Synonym: petryal

Derived terms

• cyfonglog (“equiangular”)

Adjective

cyfongl (feminine singular cyfongl, plural cyfongl, not comparable)

1. equiangular

   Synonyms: cyfonglog, hafalonglog

2. right-angled

   Synonym: uniononglog

3. rectangular

   Synonym: petryalog

Further reading

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present), “cyfongl”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies