A subatomic particle with a negative electric charge, found in all atoms.

इलेक्ट्रॉन

English Usage: Electrons revolve around the nucleus of an atom.

Hindi Usage: इलेक्ट्रॉन तत्व के न्यूक्लियस के चारों ओर घूमते हैं।

Based on random choice or personal whim, rather than any reason or system.

मनमाना

English Usage: His decisions seemed arbitrary and lacked justification.

Hindi Usage: उसके निर्णय मनमाने लगे और उन पर कोई औचित्य नहीं था।