Browse
orthopedicalorthopedics
Orthopedist
Orthopedy
Orthophony
orthophosphate
orthophosphoric acid
orthophosphorous acid
Orthopinacoid
orthopnea
OrthopnOEa
orthopod
Orthopoda
Orthopraxy
Orthopristis
Orthopristis chrysopterus
-- orthopter --
Orthoptera
Orthopteran
orthopteron
Orthopterous
orthopterous insect
orthoptic
orthoptics
orthoptist
Orthorhombic
Orthoscope
Orthoscopic
Orthosilicic
orthosilicic acid
Orthospermous
Orthostade
orthostatic
orthopter
| Noun | 1. |  orthopter - heavier-than-air craft that is propelled by the flapping of wingsSynonyms: ornithopter |