Link Centre Dictionary

heliotropism

he·liot·ro·pism

uncommon

noun

1.

an orienting response to the sun

Origin

From helio- + -tropism.

Related words

Broader terms

WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.