Meaning of alkenone in English:


Pronunciation /ˈalkɪnəʊn/


Chemistry Geology
  • A ketone containing an unsaturated hydrocarbon group with one or more carbon–carbon double bonds.

    Many unsaturated long-chain alkenones are produced by certain phytoplankton, and the distribution of alkenones in sediments and their degree of unsaturation have been used as a means of determining past sea temperatures.


1940s; earliest use found in U.S. Patents. From alkene + -one.