Char is a solid material that remains after light gases (e.g. coal gas) and gar (e.g., coal tar) have been driven-out or released from a carbonaceous material, during the initial stage of combustion, which is known as carbonization, charring, devolatilization or pyrolysis.
What is Char?
ऋग्वैदिक समाज चार वर्णों में विभक्त था।
कल्पसूत्र चार प्रकार के हैं।
महात्मा बुद्ध के चार आर्य सत्य के नाम दुःख, दुःख समुदाय, दुःख निरोध एवं दुःख निरोधगामिनी प्रतिपदा है।