Dictionary

The American Heritage Dictionary of the English Language, 4th edition, published by Houghton Mifflin Company
The American Heritage Dictionary provides clear and precise definitions along with an authoritative guide to usage. You can also check a word's spelling, syllabification and etymology, and hear an audio pronunciation.
On this page: Dionysus to diplomatic immunity.
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Title Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0-9

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Dionysus (in Greek Mythology)
Diophantine analysis (collection of methods)
Diophantine equation (algebraic equation with two or more variables)
Dioscuri (Castor and Pollux)
dip (in agriculture)
diphosgene (in chemistry)