Free Online Encyclopedia

Reference information you can trust

Encyclopedia.com has more than 100 trusted sources, including encyclopedias, dictionaries, and thesauruses with facts, definitions, biographies, synonyms, pronunciation keys, word origins, and abbreviations.

1225782
1208884
1207931
1219761
1218299
1225282
1216355
1223065
1230966
CODiE2009 SIIA CODiE WINNER Best Online General Reference Service
CODiE2010 SIIA CODiE WINNER Best Online Consumer Information Service