複合字有三種型態：

引用→

http://www.cybertranslator.idv.tw/grammar/compoundwords.htm 

封閉型態 (closed form)，

如 firefly, secondhand, softball, childlike, crosstown, redhead, keyboard, makeup, notebook。

加連字號型態 (hyphenated form)，

如 daughter-in-law, master-at-arms, over-the-counter, six-pack, six-year-old, mass-produced。

開放型態 (open form)，

如 post office, real estate, middle class, full moon, half sister, attorney general。

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deafen vt.

使聾; 使聽不見

震聾; (大聲)淹沒

使消[隔]音; 使不漏音

deafener 消音器

deafening 聲音極大的，震耳欲聾的

deafferentation 傳入神經阻滯

deafferented  [醫]傳入神經阻滯的

deafmutism 聾啞(狀態)

deafness 聾度; 耳聾

deaf aid 助聽器

deaf and dumb 聾啞的

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