1) гомотетический
2) гомотетичный
3) подобный ∙ group of homothetic transformations ≈ группа гомотетических преобразований positively homothetic set ≈ положительно гомотетическое множество - homothetic center - homothetic contraction - homothetic dilatation - homothetic ellipses - homothetic equivalence - homothetic figures - homothetic functions - homothetic group - homothetic image - homothetic mapping - homothetic ratio - homothetic segments - homothetic set - homothetic transformation - homothetic triangles - homothetic type - positively homothetic