1. By spectrographic means
   "the speech spectrum was displayed spectrographically"

See also: spectrographic

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• bell pepper
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• bell ringer
• bell ringing
• bell seat
• bell shape
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• bell the cat
• bell toad
• bell tower
• bell-bottomed
• bell-bottoms
• bell-like call
• bell-shaped
• bell-shaped curve
• bella sombra
• belladonna
• belladonna lily
• belladonna plant
• bellarmine
• Bellarmino
• bellbird
• bellbottom
• bellbottom pants