Meaning of IRREDUCIBLE in English

IRREDUCIBLE

ir ‧ re ‧ duc ‧ i ‧ ble /ˌɪrɪˈdjuːsəb ə l◂, ˌɪrɪˈdjuːsɪb ə l◂ $ -ˈduː-/ BrE AmE adjective written

an irreducible sum, level etc cannot be made smaller or simpler ⇨ reduce

—irreducibly adverb

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.