a combining form meaning “one and a half,” used in the formation of compound words:
indicating one and a half: sesquicentennial
(in a chemical compound) indicating a ratio of two to three: sesquioxide
/ˌsɛskwɪˈæltərə/ noun (music) 1. a mixture stop on an organ 2. another term for hemiola
[ses-kwi-kahr-buh-neyt, -nit] /ˌsɛs kwɪˈkɑr bəˌneɪt, -nɪt/ noun, Chemistry. 1. a salt intermediate in composition between a carbonate and a bicarbonate or consisting of the two combined. sesquicarbonate /ˌsɛskwɪˈkɑːbəˌneɪt; -nɪt/ noun 1. a mixed salt consisting of a carbonate and a hydrogen carbonate, such as sodium sesquicarbonate, Na2CO3.NaHCO3.2H2O
[ses-kwi-sen-ten-ee-uh l] /ˌsɛs kwɪ sɛnˈtɛn i əl/ adjective 1. pertaining to or marking the completion of a period of 150 years. noun 2. a 150th anniversary or its celebration. sesquicentennial /ˌsɛskwɪsɛnˈtɛnɪəl/ adjective 1. of or relating to a period of 150 years noun 2. a period or cycle of 150 years 3. a 150th anniversary […]
sesquihydrate ses·qui·hy·drate (sěs’kwĭ-hī’drāt’) n. Any of various compounds that crystallize with 1.5 molecules of water.