The spelling of the word "metamps" can be explained through its IPA phonetic transcription. It is pronounced as /mɛtæmps/. The first syllable "met" is pronounced with the short "e" sound followed by a "t" sound. The second syllable "amps" is pronounced with the "ae" sound followed by a "m" sound and the voiced "ps" sound. Overall, the spelling of "metamps" accurately represents its phonetic pronunciation.