2, 4, 5-T Meaning of 2, 4, 5-T in English | ̷ ̷| ̷ ̷ˌ ̷ ̷| ̷ ̷ abbreviation or noun( -s ) trichlorophenoxyacetic acid Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012