American Heritage® Dictionary of the English Language, Fourth Edition
- n. A pungent, toxic, colorless gas, C2H2O, used chiefly as an acetylation agent.
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A Russian Doll word is a word that, when you remove the first and last letters, is either the empty string, or a Russian Doll word. These are all of the 6 or more letter Russian Doll words found in...
Words that have only one of the vowels. On this list I include only words with at least three vowels. When I first started the list, if a word had several forms, I generally listed only the one wit...
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