encyclopedias

https://www.wikipedia.org/

https://www.britannica.com/

https://www.howstuffworks.com/

https://simple.wikipedia.org/wiki/Main_Page

http://mathworld.wolfram.com/

https://www.webopedia.com/
​
http://murderpedia.org/

https://www.encyclopediaofmath.org/index.php/Main_Page

https://www.symbols.com/

https://ceopedia.org/index.php/Main_Page

​https://www.businessballs.com/about/site-index/



https://www.guinnessworldrecords.com/

https://www.almanac.com/

https://stackoverflow.com/questions

https://answers.yahoo.com/

https://www.quora.com/

https://www.biography.com/



https://dictionary.cambridge.org/

https://www.wordreference.com/

https://www.wiktionary.org/

https://www.thefreedictionary.com/

https://www.investopedia.com/

https://en.wiktionary.org/wiki/Wiktionary:Main_Page

https://www.yourdictionary.com/


https://www.linguee.com/

https://www.spanishdict.com/


https://rhymezone.com/

https://whatis.techtarget.com/

https://www.abbreviations.com/

https://www.webopedia.com/

​https://www.acronymfinder.com/

https://www.phrases.org.uk/

https://www.etymonline.com/

https://languages.oup.com/

https://onelook.com/

https://techterms.com/

https://www.marketingterms.com/

http://www.investorwords.com/

https://www.medicinenet.com/script/main/hp.asp

https://www.dorlands.com/dorlands/

​http://www.architectionary.com/index.php

https://www.investordictionary.com/

http://www.mathematicsdictionary.com/math-vocabulary.htm

https://infovisual.info/en

http://dictionary.law.com/

http://wordsmith.org/

https://www.brainyquote.com/