Notonecta undulata Notonecta undulata /ˌnoʊtoʊˈnɛktə ˌʌndʒʊˈleɪtə/

noun

1. Predaceous aquatic insect that swims on its back and may inflict painful bites  ( backswimmer , Notonecta undulata )
   predaceous aquatic insect that swims on its back and may inflict painful bites
   
   

 white basswood white basswood /ˈwaɪt ˈbæswʊd/

noun

1. American basswood of the Allegheny region  ( cottonwood , Tilia heterophylla , white basswood )
   American basswood of the Allegheny region
   
   

 flux flux /ˈflʌks/

noun

1. () The rate of flow of energy or particles across a given surface  ( flux )
   the rate of flow of energy or particles across a given surface
     The situation is in a state of constant flux, with things changing rapidly.
   The situation is in a state of constant flux, with things changing rapidly.
   
2. () A flow or discharge  ( fluxion [Archaic] , flux )
   a flow or discharge
     The constant flux of people at the train station made it a bustling hub.
   The constant flux of people at the train station made it a bustling hub.
   
3. In constant change  ( flux )
   in constant change
    His opinions are in flux
   his opinions are in flux
    The newness and flux of the computer industry
   the newness and flux of the computer industry
   
4. (physics) the number of changes in energy flow across a given surface per unit area  ( flux , flux density )
   (physics) the number of changes in energy flow across a given surface per unit area
   
5. The lines of force surrounding a permanent magnet or a moving charged particle  ( flux , magnetic flux , magnetic field )
   the lines of force surrounding a permanent magnet or a moving charged particle
     The magnetic field of the Earth guided the compass needle.
   The magnetic field of the Earth guided the compass needle.
   
   
6. A state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action  ( flux , state of flux )
   a state of uncertainty about what should be done (usually following some important event) preceding the establishment of a new direction of action
    The flux following the death of the emperor
   the flux following the death of the emperor
   
7. Excessive discharge of liquid from a cavity or organ (as in watery diarrhea)  ( flux )
   excessive discharge of liquid from a cavity or organ (as in watery diarrhea)
   
8. A substance added to molten metals to bond with impurities that can then be readily removed  ( flux )
   a substance added to molten metals to bond with impurities that can then be readily removed
   

verb

1. Mix together different elements  ( blend , commingle , conflate , coalesce , combine , flux , fuse , immix , meld , merge , mix )
   mix together different elements
    The colors blend well
   The colors blend well
   
2. (physics) become liquid or fluid when heated  ( flux , liquefy , liquify )
   (physics) become liquid or fluid when heated
    The frozen fat liquefied
   the frozen fat liquefied
   
3. Move or progress freely as if in a stream  ( flux , flow )
   move or progress freely as if in a stream
    The crowd flowed out of the stadium
   The crowd flowed out of the stadium
   

 classicism classicism /ˈklæsɪˌsɪzəm/

noun

1. A movement in literature and art during the 17th and 18th centuries in Europe that favored rationality and restraint and strict forms  ( classicalism , classicism )
   a movement in literature and art during the 17th and 18th centuries in Europe that favored rationality and restraint and strict forms
    Classicism often derived its models from the ancient Greeks and Romans
   classicism often derived its models from the ancient Greeks and Romans