The word "Tetrapnuemonian" may seem daunting at first glance, yet its spelling can be explained using IPA phonetic transcription. In this word, "tetra-" is pronounced as "te-trə-", indicating the prefix meaning "four." "Pnuemonian", meanwhile, refers to "pneumonia," pronounced as "nu-moʊ-ni-ə". Therefore, the word means "related to or infected with four types of pneumonia." Though a mouthful to pronounce, understanding its spelling through phonetics can help make it less intimidating.