A classification or category based on characteristics or properties, often used in astronomy.

A grouping in a certain context, often used in relation to systematic classifications.

श्रेणी

English Usage: "In the study of galaxies, each spectral class reveals unique information about galactic formation."

Hindi Usage: "आकाशगंगाओं के अध्ययन में, प्रत्येक श्रेणी आकाशगंगा के निर्माण के बारे में अद्वितीय जानकारी प्रकट करती है।"