D defs.my
Entry 2 senses Webster, 1913

Pollution

/pəl-o͞osh'-ən/ · Pol·lu·tion · IPA /pəˈluʃən/
01 n. The act of polluting, or the state of being polluted (in any sense of the verb); defilement; uncleanness; impurity.
  1. 1.
    The act of polluting, or the state of being polluted (in any sense of the verb); defilement; uncleanness; impurity.
  2. 2.
    The emission of semen, or sperm, at other times than in sexual intercourse.(Med.)