Panthopaque is a term used to describe a specific type of opaque fabric. The spelling of this word can be a bit tricky, but it can be broken down phonetically as "pan-tho-pak". The "tho" sound represents the letter combination "th" and the "pak" sound represents the letter combination "p-a-q-u-e". This particular fabric is often used in the medical field for surgical drapes and gowns due to its ability to prevent the transmission of bacteria.