tétratrichotomiecommon nounSyllable DecompositiontétratrichotomieEtymologyexpandsee tetra-, tricho- and -tomy.Definition1. In xyloglot language, it is the art of splitting hairs. A variant of tetrapilectomy, a neologism coined by Umberto Eco.jokeexpandSynonymscapillotétratomiequadricapillosectionmasturbation intellectuelletrichotétratomie