pasteurize
verb /ˈpɑːstʃəraɪz/
  /ˈpæstʃəraɪz/
 (British English also pasteurise)
 Verb Forms
| present simple I / you / we / they pasteurize |  /ˈpɑːstʃəraɪz/  /ˈpæstʃəraɪz/ | 
| he / she / it pasteurizes |  /ˈpɑːstʃəraɪzɪz/  /ˈpæstʃəraɪzɪz/ | 
| past simple pasteurized |  /ˈpɑːstʃəraɪzd/  /ˈpæstʃəraɪzd/ | 
| past participle pasteurized |  /ˈpɑːstʃəraɪzd/  /ˈpæstʃəraɪzd/ | 
| -ing form pasteurizing |  /ˈpɑːstʃəraɪzɪŋ/  /ˈpæstʃəraɪzɪŋ/ | 
- pasteurize something to heat a liquid, especially milk, to a particular temperature and then cool it, in order to kill harmful bacteria- pasteurized milk
 Word Originlate 19th cent.: from the name of L. Pasteur (1822-95), French chemist and bacteriologist + -ize.