沾染

to pollute (often fig.) / to be infected by / to gain a small advantage

to moisten / to be infected by / to receive benefit or advantage through a contact / to touch

variant of 沾[zhan1] / to moisten

to dye / to catch (a disease) / to acquire (bad habits etc) / to contaminate / to add color washes to a painting

radioactive contamination

radioactive contaminant

residual contamination

to be corrupted by the ways of the world (idiom)

contamination control

contamination meter

decontamination