List: rare term

rare term  noun  noun (generic) 

• planimeter

rare term  noun  noun (generic) 

• law of refraction

rare term  noun  noun (generic) 

• law of equilibrium (Le Chatelier's principle)

rare term  noun  noun (generic) 

• Le Chatlier's law

rare term  noun  noun (generic) 

• theory of linguistic relativity

search-only kana form  rare term  noun  noun (generic) 

• funeral march

rare term  noun  noun (generic) 

• reversal film

rare term  noun  noun (generic) 

• chamber music

rare term  noun  noun (generic) 

• springtail

rare term  noun  noun (generic) 

• X-ray