thorn·y-head·ed worm 
(thôrnē-hĕdĭd)
(thôrnē-hĕdĭd)n.
See spiny-headed worm.
- dioxane
- dioxide
- dioxin
- dip
- dipeptidase
- dipeptide
- dipetalous
- diphase
- diphasic
- diphenhydramine
- diphenoxylate
- diphenyl
- diphenylamine
- diphenylaminechloroarsine
- diphenylhydantoin
- diphenylketone
- diphosgene
- diphosphate
- diphosphoglyceric acid
- diphosphonate
- diphtheria
- diphtherial
- diphtheric
- diphtheritic
- diphthong