: orientation of cells or organisms in relation to chemical stimuli
Word History
Etymology
borrowed from German Chemotropismus, from chemo- chemo- + -tropismus -tropism
Note: The term was introduced by the German physiologist Max Verworn (1863-1921) in Psycho-physiologische Protisten-Studien (Jena, 1889), p. 103. Verworn intended it as a replacement for the term Chemotaxis introduced the previous year by Wilhelm Pfeffer (see chemotaxis), in line with existing terms ending in -tropismus.
First Known Use
1895, in the meaning defined above
Medical Definition
chemotropism
noun
che·mot·ro·pism ki-ˈmä-trə-ˌpiz-əm, ke-
: orientation of cells or organisms in relation to chemical stimuli