1 pterostigma | Definition of pterostigma
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pterostigma

noun
ptero·​stigma | \ ËŒterÉ™+\
plural pterostigmata

Definition of pterostigma

: an opaque thickened spot on the costal margin of the wing of an insect

Other Words from pterostigma

pterostigmal adjective
pterostigmatic or pterostigmatical \ ¦terə+ \ adjective

History and Etymology for pterostigma

New Latin, from pter- + Latin stigma

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