You searched English word "Reagent" meaning in Spanish that is "reactivo". Reagent is a Noun, Chemistry.. We Spell Reagent as [ree-ey-juh Nt]. Reagent meaning in Spanish has been searched 743 ( seven hundred forty three ) times till today 24/09/2026. Get translation of the word Reagent in Urdu and Roman Urdu. Learn how to speak Reagent Word in Spanish and English. You may also find the meaning of Word Reagent in English to Spanish, Urdu, Arabic, French, German, Hindi and other languages.