[mass noun]the criminal act of deliberately setting fire to property 纵火,纵火罪 police are treating the fire as arson. 警方把这次火灾作为纵火案处理。 [as modifier]an arson attack. 火攻。
派生 arsonist noun 语源
late 17th cent.: an Anglo-Norman French legal term, from medieval Latin arsio(n-), from Latin ardere 'to burn'