• (RP) IPA: /nəʊn/
• (GA) enPR: nōn, IPA: /noʊn/

known (comparative better known, superlative best known)

1. Identified as a specific type#Noun|type; famous, renowned.

   Antonyms: unknown

   He was a known pickpocket.

   • Being not knowne, some great persons in the pew I pretended to, and went in, did question my coming in.

2. accepted#Adjective|Accepted, familiar#Adjective|familiar, research#Verb|researched.

   Antonyms: unknown

• French: connu
• German: bekannt
• Portuguese: conhecido
• Russian: изве́стный
• Spanish: conocido

known (plural knowns)

1. Any fact or situation which is known or familiar#Adjective|familiar.
   • 2012, Thomas Dougherty, Antibiotic Discovery and Development (volume 1, page 39)

     The biological dereplication tool may identify major knowns in a mixture, but it may miss novel minor components.

2. (algebra) A constant#Noun|constant or variable#Noun|variable the value#Noun|value of which is already determined.

1. past participle of know#English|know