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: ogham to Old Catholic.
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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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ogham (in linguistics)
Oglala (Native American people)
Ohio buckeye (shrub or tree)
ohm (measure)
Ohm's law (in electricity, physics)
ohmmeter (mechanical device)
oil (material)
oilcloth (in textile)
Ojibwa (tribe, North America)
OK (Approval)
okapi (mammal)
Okie (Offensive Slang)
Oktoberfest (autumn festival)
old (city, Canada)
old boy (2004 Film)
Old Catholic (in church, Christianity)