独体 (獨體) dútǐ

1. dútǐ noun an autonomous body; an independent system
   Domain: Modern Chinese 现代汉语 , Subdomain: Organization
   Notes:
2. dútǐ noun a character that cannot be divided
   Domain: Modern Chinese 现代汉语 , Subdomain: Art
   Notes: a character that does not have top and bottom or left and right parts

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独体字