| adulation | (noun) servile flattery; exaggerated and hypocritical praise | - |
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| adulator | (noun) a person who uses flattery | Synonyms: flatterer |
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| calendula | (noun) any of numerous chiefly annual herbs of the genus Calendula widely cultivated for their yellow or orange flowers; often used for medicinal and culinary purposes | - |
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| demodulation | (noun) (electronics) the reception of a signal by extracting it from the carrier wave | - |
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| demodulator | (noun) rectifier that extracts modulation from a radio carrier wave | Synonyms: detector |
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| modulation | (noun) the act of modifying or adjusting according to due measure and proportion (as with regard to artistic effect) | - |
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| (noun) (electronics) the transmission of a signal by using it to vary a carrier wave; changing the carrier's amplitude or frequency or phase | - |
| (noun) a musical passage moving from one key to another | Synonyms: transition |
| (noun) rise and fall of the voice pitch | Synonyms: intonation, pitch contour |
| (noun) a manner of speaking in which the loudness or pitch or tone of the voice is modified | Synonyms: inflection |
| roridula | (noun) either of 2 species of the genus Roridula; South African viscid perennial low-growing woody shrubs | - |
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| stridulation | (noun) a shrill grating or chirping noise made by some insects by rubbing body parts together | - |
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| undulation | (noun) (physics) a movement up and down or back and forth | Synonyms: wave |
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| (noun) wavelike motion; a gentle rising and falling in the manner of waves | - |
| (noun) an undulating curve | Synonyms: wave |