Forficula auricularia Forficula auricularia /fɔːrˈfɪkjulə ɔːriːkjʊˈlɛəriə/

noun

1. Sometimes destructive to cultivated bulbs  ( common European earwig , Forficula auricularia )
   sometimes destructive to cultivated bulbs
   
   

 clown clown /ˈklaʊn/

noun

1. () A person who amuses others by ridiculous behavior  ( buffoon , goof [Informal] , goofball [Informal, N. American] , clown , merry andrew [Archaic] )
   a person who amuses others by ridiculous behavior
   
   
2. () A rude or vulgar fool  ( buffoon , clown )
   a rude or vulgar fool
   

verb

1. Act as or like a clown  ( antic [Archaic] , clown , clown around )
   act as or like a clown
   

 lopsidedness lopsidedness /ˈlɑːpsaɪdɪdnəs/

noun

1. An oblique or slanting asymmetry  ( lopsidedness , skewness )
   an oblique or slanting asymmetry
   
   

 theory of relativity theory of relativity /ˈθɪəri ɒv ˌrɛləˈtɪvɪti/

noun

1. (physics) the theory that space and time are relative concepts rather than absolute concepts  ( Einstein's theory of relativity , relativity , relativity theory , theory of relativity )
   (physics) the theory that space and time are relative concepts rather than absolute concepts