u·pas 
(ypəs)
(ypəs)n.
1. A deciduous tree (Antiaris toxicaria) of tropical Africa and Asia that yields a latex used as an arrow poison.
2. The poison obtained from this tree or from similar trees.
[Malay (pohun) upas, poison (tree), of Javanese origin.]
- phytological
- phytology
- phyton
- phytonic
- phytonutrient
- phytopathogen
- phytopathogenic
- phytopathologic
- phytopathological
- phytopathologist
- phytopathology
- phytophagous
- phytoplankter
- phytoplankton
- phytoplanktonic
- phytoplasma
- phytoplasmic
- phytoremediation
- phytosanitary
- phytosociological
- phytosociologically
- phytosociologist
- phytosociology
- phytosterol
- phytotoxic