Peritropal is a term used to describe certain zoological phenomena. The word is spelled with initial "p" followed by the "e" sound, as in "pet". The second syllable is pronounced with a short "i" sound, as in "pin". The final syllable contains the "r" and the "o" sound, as in "or" and "go" respectively. The IPA phonetic transcription for peritropal is /pɛrəˈtroʊpəl/. Despite its complex spelling, peritropal is a useful term for describing the behavior and characteristics of certain animals.
Rotatory; circuitous; in bot., applied to the axis of a seed perpendicular to the axis of the pericarp to which it is attached.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.