A level of quality or attainment.

A requirement or criterion.

आवश्यकता

English Usage: The company did not meet the standard for safety regulations.

Hindi Usage: कंपनी सुरक्षा नियमों के लिए आवश्यकता को पूरा नहीं कर पाई।

The basic unit of a chemical element.

A minute or insignificant amount of something.

नगण्य मात्रा

English Usage: There isn't an atom of truth in his story.

Hindi Usage: उसकी कहानी में सत्य की एक नगण्य मात्रा भी नहीं है।