A numerical value that represents nothing.

शून्य

English Usage: The temperature dropped to zero degrees.

Hindi Usage: तापमान शून्य डिग्री तक गिर गया।

A prefix or suffix added to a word to modify its meaning.

उपसर्ग या प्रत्यय

English Usage: The prefix 'un-' is an affix that indicates negation.

Hindi Usage: उपसर्ग 'अ' एक उपसर्ग है जो नकारात्मकता को दर्शाता है।

To attach or join something to another.

संलग्न करना

English Usage: Please affix the stamp to the envelope.

Hindi Usage: कृपया लिफाफे पर डाक टिकट संलग्न करें।