定形 dìngxíng to take shape Origin Definitions Defs Strokes Stroke Words Sentences Sents 无定形 wúdìngxíng amorphous having no definite form or structure; formless无定形碳 wúdìngxíngtàn amorphous carbon amorphous carbon; carbon that does not have a crystalline structure不定形 bùdìngxíng indeterminate form (mathematics) an indeterminate form