Nixon Nixon /ˈnɪksən/

noun

1. Vice president under Eisenhower and 37th President of the United States; resigned after the Watergate scandal in 1974 (1913-1994)  ( Nixon , President Nixon , Richard M. Nixon , Richard Milhous Nixon , Richard Nixon )
   vice president under Eisenhower and 37th President of the United States; resigned after the Watergate scandal in 1974 (1913-1994)
   
   

 watercress watercress /ˈwɔtɝˌkrɛs/

adjective

1. Of a moderate yellow-green color that is greener and deeper than moss green and yellower and darker than pea green  ( cress green , cresson , watercress )
   of a moderate yellow-green color that is greener and deeper than moss green and yellower and darker than pea green
   

noun

1. Cresses that grow in clear ponds and streams  ( watercress )
   cresses that grow in clear ponds and streams
    Watercress has a spicy flavor and is great in salads or as a garnish for sandwiches
   Watercress has a spicy flavor and is great in salads or as a garnish for sandwiches
   
   
2. Any of several water-loving cresses  ( watercress )
   any of several water-loving cresses
   
   

 first harmonic first harmonic /fɜːrst hɑːrˈmɑːnɪk/

noun

1. The lowest tone of a harmonic series  ( first harmonic , fundamental , fundamental frequency )
   the lowest tone of a harmonic series
   
   

 chromatography chromatography /kroʊməˈtɑːgrəfi/

noun

1. () A process used for separating mixtures by virtue of differences in absorbency  ( chromatography )
   a process used for separating mixtures by virtue of differences in absorbency
     The scientist used chromatography to separate the different pigments in the ink.
   The scientist used chromatography to separate the different pigments in the ink.