| c2 | chi-squared statistic; chi-squared [test, measure goodness of fit] |
|---|---|
| tinc, tinct | tincture |
| SPF | skin protection factor; specific-pathogen free; spectrophotofluorometer; S-phase fraction; split pro... |
| SUN | standard unit of nomenclature; serum urea nitrogen |
| CHI | closed head injury; creatinine height index |