An alternative adjectival form describing insects that undergo incomplete metamorphosis, equivalent to hemimetabolic.
From 'hemimetabola' with the Latin adjectival suffix '-ous' (meaning 'full of' or 'having'). This variant ending reflects older or regional scientific terminology conventions.
The fact that scientists created multiple ways to describe the same thing—hemimetabolic, hemimetabolous, hemimetabola—shows how language evolves in science, with older terms gradually falling away like evolutionary dead ends.
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