emission spectrum emission spectrum /ɪˈmɪʃən ˈspɛktrəm/

noun

1. () Spectrum of electromagnetic radiation emitted by a self-luminous source  ( emission spectrum )
   spectrum of electromagnetic radiation emitted by a self-luminous source
    Scientists study the emission spectrum to understand the characteristics of light sources.
   Scientists study the emission spectrum to understand the characteristics of light sources.
   
   

 benni benni /ˈbɛni/

noun

1. [American] East Indian annual erect herb; source of sesame seed or benniseed and sesame oil  ( benne [American] , benni [American] , benny [American] , sesame , Sesamum indicum )
   East Indian annual erect herb; source of sesame seed or benniseed and sesame oil
   
   

 Rachycentron canadum Rachycentron canadum /ˌrækaɪˈsɛntrɒn kəˈnædəm/

noun

1. Large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters  ( cobia , Rachycentron canadum , sergeant fish )
   large dark-striped tropical food and game fish related to remoras; found worldwide in coastal to open waters
   
   

 bung bung /ˈbʌŋ/

noun

1. A plug used to close a hole in a barrel or flask  ( bung , spile )
   a plug used to close a hole in a barrel or flask
   
   

verb

1. Close with a cork or stopper  ( bung )
   close with a cork or stopper
   
2. Give a tip or gratuity to in return for a service, beyond the compensation agreed on  ( bung , fee , tip )
   give a tip or gratuity to in return for a service, beyond the compensation agreed on
    Remember to tip the waiter
   Remember to tip the waiter
    Fee the steward
   fee the steward