sesquialterate

== English == === Alternative forms === sesqui-alterate === Etymology === From Latin sesquialter (“one and a half times”) +‎ -ate (adjective-forming suffix), from sesqui- (“a half and a”) +‎ alter (“another, a second”). === Pronunciation === IPA(key): /sɛskwɪˈaltərət/ === Adjective === sesquialterate (not comparable) (mathematics, archaic) In a ratio of 3 to 2 or 1½ times to 1. Synonyms: sesquialteral, sesquialter, sesquialteran, sescuple 1888, Sir Isaac Newton, Portsmouth Collection of Books and Papers Written or Belonging to Sir Isaac Newton (page xviii) from Kepler's Rule of the periodical times of the Planets being in a sesquialterate proportion of their distances from the centers of their orbs I deduced […] 9 and 6 are in a sesquialterate ratio. ==== Related terms ==== sesquialter ==== Translations ==== === References === “sesquialterate, adj.”, in OED Online ⁠, Oxford: Oxford University Press, 2022.