potassium-argon
adjective
po·tas·si·um-ar·gon pə-ˈta-sē-əm-ˈär-ˌgän 
: being or relating to a method of dating paleontological or geologic materials based on the radioactive decay of potassium to argon that has taken place in a specimen
Word History
First Known Use
1953, in the meaning defined above
- Recife
- recifes
- recip
- recipe
- recipe book
- recipe for disaster
- recipes
- recipher
- recipience
- recipiences
- recipiencies
- recipiency
- recipient
- recipients
- reciprocal
- reciprocal alphabet
- reciprocal demand
- reciprocal diagram
- reciprocal pronoun
- reciprocal quantities
- reciprocal ratio
- reciprocal switching
- reciprocal wills
- reciprocalities
- reciprocality