noun, noun which may take the genitive case particle 'no'
same shape; isomorphism; same type; same pattern
Refers to things having the same form, shape, type, or pattern. In technical contexts, it can mean 'isomorphism' in mathematics, chemistry, or biology. The choice between 同形 and 同型 may reflect a nuance of physical shape vs. abstract type.
These two crystals have the same shape.
The same pattern is repeated.
Standard kanji spelling for 'same shape' or 'isomorphism'. 同形 is the most common written form.
Alternate kanji spelling, often used when emphasizing 'same type/model/pattern' rather than physical shape.
Compound of 同 (どう, 'same') and 形/型 (けい, 'shape'/'type'). The two kanji spellings reflect a nuance between physical form (形) and abstract type/model (型).