potassium-argon dating
Word Rarity
Rare
Frequency: Zipf frequency 2.78 in modern English
27
Scrabble Score
20
Letters
7
Syllables
12
Unique Chars
Meaning
noun
A method of estimating the age of igneous rocks or of archaeological objects by measuring the amount of argon that has built up through the radioactive decay of potassium.
Uncountable