Prefix DictionaryD

Definitions of biological and medical prefixes

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Words Prefixes Suffixes Roots
 a | b | c | d | e | f-g | h | i-j 
 k-l | m | n | o | p-q | r-s | t | u-z 

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dacry- or dacryo- [Greek dacron tear] (1) tears (dacryagogue); (2) lacrimal sac (dacryelcosis).

dacryocyst- or dacryocysto- [dacryo + cyst] Denotes the lacrimal sac (dacryocystitis).

dactyl- or dactylo- [Greek dactylos finger] Finger (dactyloid).

de- [Latin de down from, away from, from, off] (1) from (decubital); (2) do the opposite (decomposer); (3) remove, reduce (dehydrate, deoxy-).

deca- [Greek deka ten] Ten (decaliter).

decem- [Latin decem ten] Ten (December).

deci- [Greek deka ten] One tenth (decimorgan).

dem- or demo- [Greek demos populace] people, population (demoid).

demi- [Latin dimidiare to halve] Half (demilune).

dendr- or dendro- [Greek dendron tree] Denotes a tree or treelike thing (Dendrobatidae, dendrochronology, dendrology).

dent- or denti- or dento- [Latin dens, dentis tooth; tooth-like thing] Tooth (dentary, dentulous).

deoxy- [de + oxy-] Containing less oxygen (deoxyribonucleic acid).

der- or dero- [Greek dere neck] Having a neck or throat (or a disease thereof) of the type indicated by the stem or suffix (Derotremata).

derm- or derma- or dermo- or dermat- or dermato- [Greek derma skin] Denotes skin (dermal).

desm- or desmo- [Greek dein to bind] A bond, tie, ligature (desmosome).

dextro- [Latin dexter, dextra right, on the right hand] To the right (dextrocardia, dextrorotatory, dextroversion).

di- or dia- or dis- [Greek dis double, twice] double, twice, two (diploid, diotic).

di- or dia- [Greek dia through, by] (1) through, between (diarrhea, diatom); (2) asunder, apart (diastasis, diastole); (3) completely (diagnosis).

di- or dif- or dis- [Latin de down from, away from, from, off] Apart, separation, taking apart (dissect).

didym- or didymo- [Greek didymos twin, testis] (1) testis (didymitis); (2) twin (didymus).

dipl- or dipla- or diplo- [Greek diploos twofold, double] Double (diploblastic, diploid, diplophase, diplotene).

dis- [Latin de down from, away from, from, off] (1) negative, not, opposite (disequilibrium); (2) free of, undo (disinfect).

dodec- or dodeca- [Greek dyodeka twelve] Twelve (dodecandrous).

dors- or dorsi- or dorso- [Latin dorsum back] Pertaining to the back, at the back, in back (dorsolateral).

dry- or dryo- [Greek drys tree, oak] Tree, oak (dryopithecine).

dy- or dyo- [Greek dyo two] Two, a pair, in pairs (dyad).

dynam- or dynamo- [Greek dynamis power] Denotes power (dynamometer).

dys- [Greek dys- bad, abnormal, difficult, defective] (1) abnormal (dysplasia); (2) impaired (dysneuria); (3) difficult (dyspnea); (4) bad (dyspepsia, dysentery).