Buster Keaton Buster Keaton /ˈbʌstər ˈkiːtən/

noun

1. United States comedian and actor in silent films noted for his acrobatic skills and deadpan face (1895-1966)  ( Buster Keaton , Joseph Francis Keaton , Keaton )
   United States comedian and actor in silent films noted for his acrobatic skills and deadpan face (1895-1966)
   
   

 envelope envelope /ˈɛnvəˌloʊp/

noun

1. () A flat (usually rectangular) container for a letter, thin package, etc.  ( envelope )
   a flat (usually rectangular) container for a letter, thin package, etc.
    I sealed the letter in the envelope and dropped it in the mailbox
   I sealed the letter in the envelope and dropped it in the mailbox
   
   
2. () Any wrapper or covering  ( envelope )
   any wrapper or covering
    She sealed the letter and slid it into an envelope to mail.
   She sealed the letter and slid it into an envelope to mail.
   
   
3. The bag containing the gas in a balloon  ( envelope , gasbag )
   the bag containing the gas in a balloon
   
4. The maximum operating capability of a system (especially an aircraft)  ( envelope )
   the maximum operating capability of a system (especially an aircraft)
    Test pilots try to push the envelope
   test pilots try to push the envelope
   
5. A natural covering (as by a fluid)  ( envelope )
   a natural covering (as by a fluid)
    The spacecraft detected an envelope of gas around the comet
   the spacecraft detected an envelope of gas around the comet
   
6. A curve that is tangent to each of a family of curves  ( envelope )
   a curve that is tangent to each of a family of curves
   

 uncial uncial /ˈʌnsiəl/

adjective

1. Relating to or written in majuscule letters (which resemble modern capitals)  ( uncial )
   relating to or written in majuscule letters (which resemble modern capitals)
    Uncial letters
   uncial letters
   

noun

1. A style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries  ( uncial )
   a style of orthography characterized by somewhat rounded capital letters; found especially in Greek and Latin manuscripts of the 4th to 8th centuries
    In the museum, there's a manuscript written in uncial script.
   In the museum, there's a manuscript written in uncial script.
   
   

 biochemist biochemist /ˌbaɪoʊˈkɛmɪst/

noun

1. Someone with special training in biochemistry  ( biochemist )
   someone with special training in biochemistry
    As a biochemist, she's been researching the complex interactions of cellular processes.
   As a biochemist, she's been researching the complex interactions of cellular processes.