Kata bahasa Indonesia
English word
HYPHEN
WORDNET DICTIONARY
CIDE DICTIONARY
OXFORD DICTIONARY
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WORDNET DICTIONARY
Noun geotropism has 1 sense
CIDE DICTIONARY
geotropism, n. [Gr. ge`a, gh^, the earth + to turn.].
A disposition to turn or incline towards the earth; the influence of gravity in determining the direction of growth of an organ. [1913 Webster]
" In plants, organs which grow towards the center of the earth are said to be positively geotropic, and those growing in the opposite direction negatively geotropic. In animals, geotropism is supposed by some to have an influence either direct or indirect on the plane of division of the ovum."
[1913 Webster]
OXFORD DICTIONARY
geotropism, n. plant growth in relation to gravity.
Idiom
negative geotropism the tendency of stems etc. to grow away from the centre of the earth. positive geotropism the tendency of roots to grow towards the centre of the earth.
Derivative
geotropic adj.
Etymology
GEO- + Gk tropikos f. trope a turning f. trepo to turn