5 文書を見つけるための辞書。

• declination, decline
• 衰微, 減衰, 衰勢, 凋残, 枯凋, 減退, 下向き, 退転, 式微, 後退, 退潮, 下り坂, 下むき, 衰萎, 落潮, 凋落, 衰え, 衰退, 衰滅, 頽勢, 衰頽, 頽廃, 低下, 退勢, 退廃, 下落, 萎靡, 弱り
• a condition inferior to an earlier condition; a gradual falling off from a better state
• 初期の条件より劣った条件

• decay
• 衰微, 減衰, 衰勢, 凋残, 枯凋, 減退, 廃頽, 傾敗, 衰萎, 凋落, 衰退, 没落, 頽勢, 衰頽, 廃退, 頽廃, 傾廃, 退勢, 萎靡
• the process of gradually becoming inferior
• 徐々に劣っていく過程

• attenuation, fading
• 減衰
• weakening in force or intensity; "attenuation in the volume of the sound"
• 力や強度が弱まること

• radioactive decay, decay, disintegration
• 減衰, 崩潰, 壊変, 崩壊, 放射性崩壊
• the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation
• 電離放射線の放出を伴う放射性物質の自発的崩壊

• wane, go down, decline
• 衰微, 減衰, 減ずる, 減退, 低まる, 減る, 式微, 減少, 衰萎, 凋落, 衰退, 弱る, 衰頽, 低下, 衰耗, 衰える
• grow smaller; "Interest in the project waned"
• 小さくなる