1. [DEX '09] HELIOTACTISM s. n. (Biol.) Heliotropism. [Pr.: -li-o-] – Din fr. héliotactisme.
2. [MDA2] heliotactism sn [At: D. MED. / P: ~li-o~ / E: héliotactisme] Heliotropism.
3. [DN] HELIOTACTISM s.n. Heliotropism. [Pron. -li-o-. / < fr. héliotactisme].
4. [MDN '00] HELIOTACTISM s. n. heliotropism. (< fr. héliotractisme)
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