the head of a school or organization

the most important or primary

सबसे महत्वपूर्ण या मौलिक

English Usage: The principal reason for his success is hard work.

Hindi Usage: उसकी सफलता का प्रधान कारण मेहनत है।

having the quality of causing the separation of a liquid into its components

emulsifying

इमल्सीफाई करने वाला

English Usage: The emulgent agent is crucial in food processing.

Hindi Usage: भोजन प्रसंस्करण में इमल्जेंट एजेंट महत्वपूर्ण है।