List: rare term

rare term  noun  noun (generic) 

• bat

rare term  noun  noun (generic) 

• sedimentary rock

rare term  mineralogy  noun  noun (generic) 

• chert

obsolete term  noun  noun (generic)  rare term 

• timepiece, clock
• chronometer

rare term  noun  noun (generic) 

• virus

rare term  noun  noun (generic) 

• acromegaly

rare term  geology  noun  noun (generic) 

• lithosphere

rare term  noun  noun (generic) 

• asthenosphere

rare term  geology  noun  noun (generic) 

• (theory of) isostasy

rare term  mineralogy  noun  noun (generic) 

• eclogite