Pericardic is a medical term that pertains to the pericardium – the sac surrounding the heart. The correct spelling of this word is /ˌperɪˈkɑːdɪk/, as per the International Phonetic Alphabet (IPA). It is pronounced as puh-rih-kahr-dik, with the stress falling on the second syllable. The word is derived from the Latin words 'peri-' meaning around, and 'cardium' meaning heart. Knowing the correct spelling and pronunciation of pericardic is crucial for medical professionals when referring to the structures surrounding the heart.