8 results
Results are displayed by relevance.
Welsh: cyfeiliornad
English: error
Welsh: cyfeiliornad cymedrig
English: mean error
Welsh: cyfeiliornad plygiant
English: refractive error
Welsh: cyfeiliornad safonol
English: standard error
Welsh: cyfeiliornad systematig
English: systemic error
Welsh: cyfeiliornad tebygol
English: probable error
Welsh: ffin cyfeiliornad
English: margin of error
English: uncorrected refractive error