NACREOUS CLOUDnacreous cloud · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:NACREOUS CLOUDTier 1Ordinal151Pythagorean52Classical143Reverse200Reverse Reduction74Standard568Final Large568Ordinal127Reduced46Atbash468Isopsephy1370Ordinal173Abjad410