drop-off   (TTS Sound)

The drop-off has 3 Senses.

• falloff, falling off, drop-off, slump, slack
• 落ち込み
• a noticeable deterioration in performance or quality; "the team went into a slump"; "a gradual slack in output"; "a drop-off in attendance"; "a falloff in quality"
• 性能または品質の顕著な悪化

• drop, cliff, drop-off
• 崖, 山岸
• a steep high face of rock; "he stood on a high cliff overlooking the town"; "a steep drop"
• 岩の高くて急な斜面

• decrease, lessening, drop-off
• 減退, 減少, 損減, 減量, 低下, 減り, 下がり, 減, 減損, 低減, 下落, 減数, 累減
• a change downward; "there was a decrease in his temperature as the fever subsided"; "there was a sharp drop-off in sales"
• 下向きの変化