The spelling of the word "Aimatera" can be explained through its International Phonetic Alphabet (IPA) transcription: /aɪmətɛrə/. The first syllable is pronounced as /aɪ/, which represents the diphthong of "ai" in "aim." The second syllable is pronounced as /mə/, which represents the schwa sound in "uhm." The third syllable is pronounced as /tɛr/, which represents the stressed "tear" sound. The final syllable is pronounced as /ə/, which represents the schwa sound in "uh." Thus, the spelling of "Aimatera" corresponds to its IPA phonetic transcription.