The head of a school or organization

Most important or primary

मुख्य

English Usage: The principal reason for the meeting was to discuss budget cuts.

Hindi Usage: बैठक का मुख्य कारण बजट में कटौती पर चर्चा करना था।

The capacity of an atom to bond with other atoms

An emotional state or feeling

भावात्मक स्थिति

English Usage: The valence of her mood changed from joy to sadness.

Hindi Usage: उसके मूड की भावात्मक स्थिति खुशी से sadness में बदल गई।