tetrachotomy

== English == === Etymology === From τέτραχα (tétrakha, “quadripartite”) + -otomy. === Pronunciation === (Received Pronunciation) enPR: tĕtrəkŏʹtəmĭ, IPA(key): /tɛtɹəˈkɒtəmɪ/ === Noun === tetrachotomy (plural tetrachotomies) Division of a whole into four parts. (logic) Quaternary classification. tetralemma ==== Coordinate terms ==== ==== Derived terms ==== tetrachotomous === References === “tetraˈchotomy, n.” listed in the Oxford English Dictionary [2nd Ed.; 1989]