Medical Terminology Letter D
| TERM | MEANING |
| dacry/o | tear |
| dactyl/o | digit (finger or toe) |
| deca- | ten (10¹) |
| deci- | one tenth (10⁻¹) |
| demi- | half |
| dem/o | people |
| dent/i | tooth |
| derm/o, dermat/o | skin |
| desicc/o | to dry |
| -desis | surgical fixation, fusion |
| desm/o | ligament |
| deuter/o | second, secondary |
| dextr/o | right |
| di- | two |
| dia- | through, throughout |
| didym/o | a twin, testis |
| -didymus | conjoined twin |
| dilat/o | enlarge, expand |
| dipl/o | double |
| dips/o | thirst |
| dis- | apart, to separate |
| dist/o | distant |
| dolich/o | long |
| dolor/o | pain |
| dors/o | back |
| drom/o, -drome | running |
| duct/o | to lead |
| duoden/o | duodenum |
| dynam/o | power, strength |
| -dynia | pain |
| dys- | bad, difficult, painful |
