Question

I didn't know what a mitochondrion was until I looked it up in a dictionary.

Accepted Answer

(transitivehttps://en.wiktionary.org/wiki/Appendix:Glossary#transitive, idiomatichttps://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic) To obtain informationhttps://en.wiktionary.org/wiki/information about something from a text source.

Sentence	I didn't know what a mitochondrion was until I looked it up in a dictionary.
Definition	( transitive https://en.wiktionary.org/wiki/Appendix:Glossary#transitive , idiomatic https://en.wiktionary.org/wiki/Appendix:Glossary#idiomatic ) To obtain information https://en.wiktionary.org/wiki/information about something from a text source.

I Mitochondrion Looked Dictionary Obtain Text Source