unengineered en · ADJ
Etymology
From un- + engineered.
Meanings
-
(not-comparable) Not engineered.
The proposed study will deal with PCB and DDT which contaminates soils and groundwater in Malaysia through unengineered landfills and the use of pesticides for agriculture.
2015 December 12, “Adsorption of DDT and PCB by Nanomaterials from Residual Soil”, in PLOS ONE, →DOI: