diageotropismn.
/ˌdʌɪədʒiːˈɒtrəpɪz(ə)m/ Botany.
The tendency in parts of plants to grow transversely to the earth's radius.
ΚΠ
1880 C. Darwin & F. Darwin Power of Movement in Plants 5 Diageotropism, a position more or less transverse to the radius of the earth.
This entry has not yet been fully updated (first published 1895; most recently modified version published online June 2018).
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n.1880