MDBG Mobile Chinese English Dictionary (iPhone, Android, Windows Phone)

兴亡	xīng wáng	to flourish and decay / rise and fall
腐化	fǔ huà	to rot / to decay / to become corrupt
靡烂	mí làn	rotting; decaying
蜕变	tuì biàn	to transform / to morph / to degenerate / metamorphosis / transmutation / transformation / decay / degeneration
蛀牙	zhù yá	tooth decay; dental caries / decayed tooth; rotten tooth
腐旧	fǔ jiù	outmoded / decadent / decaying
齿龋	chǐ qǔ	tooth decay / caries
腐朽	fǔ xiǔ	rotten / decayed / decadent / degenerate
陨落	yǔn luò	to fall down / to decay / to fall from the sky / to die
衰变链	shuāi biàn liàn	decay chain
衰朽	shuāi xiǔ	decaying / decrepit / aged and crumbling
衰变	shuāi biàn	radioactive decay
腐殖土	fǔ zhí tǔ	humus (topsoil of decayed vegetation)
衰败	shuāi bài	to decline / to wane / to decay / to deteriorate
衰变曲线	shuāi biàn qū xiàn	decay curves
茯苓	fú líng	Wolfiporia extensa (a wood-decay fungus); fu ling; tuckahoe
衰变热	shuāi biàn rè	decay heat
乙种射线	yǐ zhǒng shè xiàn	beta ray (electron stream from radioactive decay)
糜烂	mí làn	dissipated / rotten / decaying
腐	fǔ	decay / rotten