DICT.TW Dictionary Taiwan

 de·cliv·i·ty /-əti/
 傾斜,下坡

 De·cliv·i·ty n.; pl. Declivities
 1. Deviation from a horizontal line; gradual descent of surface; inclination downward; slope; -- opposed to acclivity, or ascent; the same slope, considered as descending, being a declivity, which, considered as ascending, is an acclivity.
 2. A descending surface; a sloping place.
    Commodious declivities and channels for the passage of the waters.   --Derham.
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 declivity
      n : a downward slope or bend [syn: descent, fall, decline,
           declination, declension, downslope] [ant: ascent]