The quality or state of being pure; freedom from anything that debases, contaminates, or pollutes.

शुद्धता

English Usage: The purity of the water is essential for our health.

Hindi Usage: पानी की शुद्धता हमारे स्वास्थ्य के लिए आवश्यक है।

A small change made to achieve a desired fit, appearance, or result.

समायोजन

English Usage: The adjustment of the chair made it more comfortable to sit in.

Hindi Usage: कुर्सी का समायोजन उसे बैठने में अधिक आरामदायक बना दिया।