pre ‧ ser ‧ va ‧ tive /prɪˈzɜːvətɪv $ -ɜːr-/ BrE AmE noun [uncountable and countable]
a chemical substance that is used to prevent things from decaying, for example food or wood:
food that contains no artificial preservatives
pre ‧ ser ‧ va ‧ tive /prɪˈzɜːvətɪv $ -ɜːr-/ BrE AmE noun [uncountable and countable]
a chemical substance that is used to prevent things from decaying, for example food or wood:
food that contains no artificial preservatives
Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012