PHOTOCHEMICAL EXCHANGEphotochemical exchange · English · Reference checkedReferenceOpen English WordNet 2024oewn2024:lemma:PHOTOCHEMICAL EXCHANGETier 1Ordinal195Pythagorean105Classical185Reverse372Reverse Reduction93Standard901Final Large901Ordinal172Reduced64Atbash582Isopsephy2370Ordinal219Abjad707