perocsid

From per- +‎ ocsid.

• IPA^(key): /pɛrˈɔksɪd/
• Rhymes: -ɔksɪd

perocsid m (plural perocsidau or perocsidiau)

1. (chemistry) peroxide

   Synonym: tryegrid

• ocsigen (“oxygen”)

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