The spelling of the word "BAIR" can be explained using IPA phonetic transcription. The word "BAIR" is spelled with a "b" sound followed by an "air" diphthong. The "air" sound is represented by the IPA symbol /ɛər/ with the "ɛ" representing the front vowel sound and the "ər" representing the schwa and r sounds. When pronounced, the word "BAIR" sounds like "bear" with a Scottish accent. This phonetic spelling is helpful when learning to pronounce the word accurately.