dec(a)- [GK] = ten 十

decathlon n. [体育]十项运动 [athlon = contest] 

decagon n. 十角形 [gon = a plane figure with. . . angles] 

decametre n. 十米

decasyllable n. 十音节的一行诗（syllable n. 音节）

deci- [L] = tenth 十分之一 

decigram n. 分克 

decilitre n. 分升 

decimetre n. 分米

denti-，dento- [L] = tooth 齿

dentiform a. 齿状的 [form = having the form of] 

dentifrice n. 牙粉；牙膏[fric = to rub] 

dentilabial n. [语]唇齿音[Lab = lip] 

dentophobia n. 害怕牙科治疗[phobia = fear of]

dermat(o)- [GK] = shin 皮肤 

dermatitis n. [医]皮炎 [itis = inflammation] 

dermatology n. 皮肤学；皮肤病学[logy = the science of] 

dermatoneuritis n. [医]神经性皮炎[neur =nerve] 

dermatophyte n. [医]皮肤真菌[phyte = plant]

deuter(o)- [GK] = second 第二，再

deuteragonist n. 演二流角色的演员 [agonist=actor] 

deuterogamy n. 再婚 [gamy = marriage] 

deuterpathy n. 继发症 [pathy= disease]

Deuteronomy n.《圣经•申命记》（注：内含摩西法律第二讲) [-nomy = the law of]

dipl (o) - [GK] = double 双，复

diplopia n. [医]复视 [op = eye; -ia = disease] 

dipiococcus n. 双球菌（coccus n .球菌）

diploma n. 文凭，执照（注：原意为“双折的信件”）

diplophonic a. [医]复音的[phon = sound]