Zi Collection, Page Position: Upper Radical: Fire (huǒ) Page 890, Entry 05 According to the Expanded Rhymes (Guangyun) and the Collected Rhymes (Jiyun), this character is pronounced nuan (falling tone). It is pronounced the same as the character nuan (falling tone). The character nuan (falling tone) is also written as nuan (falling tone). The meaning is warm.