The word "Triaxonia" is spelled with three syllables: [traɪækˈsəʊniə]. The first syllable contains the vowel sound /aɪ/, as in the word "try." The second syllable contains the vowel sound /æ/, as in the word "ax." The third syllable contains the schwa sound /ə/, similar to the "uh" sound in "comma." The combination of these sounds creates the unique pronunciation of "Triaxonia." It is important to pay attention to the IPA transcription to accurately pronounce words like this in communication.