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/ˈɔː.nɪˌθɒp.tə/ · noun
An aircraft that generates lift through the flapping of its wings..
Use ornithopter when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Ornithopter means An aircraft that generates lift through the flapping of its wings..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use ornithopter where its definition matches the intended context.
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