geotropism

[ jee-o-truh-piz-uh m ]
/ dʒiˈɒ trəˌpɪz əm /

noun Biology.

oriented growth with respect to the force of gravity.

Origin of geotropism

First recorded in 1870–75; geo- + -tropism

Words nearby geotropism

geothermal energy, geothermal gradient, geothermal power, geotrichosis, geotropic, geotropism, ger-, ger., gera, gerah, geraint

Example sentences from the Web for geotropism

British Dictionary definitions for geotropism

geotropism
/ (dʒɪˈɒtrəˌpɪzəm) /

noun

the response of a plant part to the stimulus of gravity. Plant stems, which grow upwards irrespective of the position in which they are placed, show negative geotropism

Derived forms of geotropism

geotropic (ˌdʒiːəʊˈtrɒpɪk), adjective geotropically, adverb

Scientific definitions for geotropism

geotropism
[ jē-ŏt′rə-pĭz′əm ]

The directional growth of an organism in response to gravity. Roots display positive geotropism when they grow downwards, while shoots display negative geotropism when they grow upwards. Also called gravitropism

Other words from geotropism

geotropic adjective (jē′ə-trō′pĭk, jē′ə-trŏp′ĭk)