名詞 dictionary:

1. a reference book containing an alphabetical list of words with information about them
   同義詞：lexicon

1. Dictionary writers must be skilled in the art of definition.
   詞書編纂者必須精於給詞語下定義的技巧。
2. That is not, properly speaking, a dictionary but a grammar book.
   嚴格地說，那不是一本字典，而是一本語法書。
3. The poet minted several words that cannot be found in any dictionary.
   詩人造了幾個詞典里找不到的詞。
4. That dictionary belongs to me.
   那本字典是屬于我的。
5. This dictionary is available in electronic version.
   這部詞典有電子版。
6. He is, as it were, a walking dictionary.
   他可說是個活字典。
7. A dictionary is an invaluable aid in learning a new language.
   在學(xué)習(xí)一種新語言時，詞典是非常有用的工具。
8. Please pass the dictionary to me.
   請把字典遞給我。

dic.tion.ar.y

n.（名詞）
【復(fù)數(shù)】 dic.tion.ar.ies 縮寫 dict.
A reference book containing an alphabetical list of words, with information given for each word, usually including meaning, pronunciation, and etymology.
詞典：含有字母順序的參考書，提供有各個詞的資料，通常包括詞義、語音和詞源
A book listing the words of a language with translations into another language.
字典：把一種語言譯成另一種語言的單詞開列出來的書
A book listing words or other linguistic items in a particular category or subject with specialized information about them:
專用詞典：開列某一學(xué)科或某項活動重要專用詞或?qū)Ｓ妹Q的參考書：
例句：
a medical dictionary.
醫(yī)學(xué)詞典

Computer Science
【計算機科學(xué)】
A list of words stored in machine-readable form for reference as by spelling-checking software.
電腦字典：以機器可讀形式存儲的單詞表，用拼寫檢查軟件進行參考
An electronic spelling checker.
電子字典：一種電子拼寫檢查器

來源：
Medieval Latin dictiôn3rium
中世紀(jì)拉丁語 dictiôn3rium
from Latin dictiô dictiôn- [diction] * see diction
源自 拉丁語 dictiô dictiôn- [措詞] *參見 diction