A prefix meaning five.

A pentavalent element in chemistry, relating to compounds where an element is in a +5 oxidation state.

पंचात्मक (panchatmak)

English Usage: Phosphorus can form a penta compound in certain chemical reactions.

Hindi Usage: फॉस्फोरस कुछ रासायनिक प्रतिक्रियाओं में पंचात्मक यौगिक बना सकता है।