Transcription
-
- US Pronunciation
- US IPA
-
- [puh-tas-ee-uh m-ahr-gon]
- /pəˈtæs i əmˌɑr gɒn/
-
- US Pronunciation
- US IPA
-
- [puh-tas-ee-uh m-ahr-gon]
- /pəˈtæs i əmˌɑr gɒn/
Definitions of potassium-argon dating words
- noun potassium-argon dating a method for estimating the age of a mineral or rock, based on measurement of the rate of decay of radioactive potassium into argon. 1
- noun potassium-argon dating a technique for determining the age of minerals based on the occurrence in natural potassium of a small fixed amount of radioisotope 40K that decays to the stable argon isotope 40Ar with a half-life of 1.28 × 109 years. Measurement of the ratio of these isotopes thus gives the age of the mineral 0
- noun potassium-argon dating an indirect method of dating fossils, esp. those in very ancient volcanic rock, by using potassic minerals in the same strata as a reference: a natural radioactive isotope of potassium, K-40, decays steadily into argon, which accumulates in the minerals and is measured to determine age 0
Information block about the term
Origin of potassium-argon dating
First appearance:
before 1965 One of the 2% newest English words
First recorded in 1965-70
Historical Comparancy
Parts of speech for Potassium-argon dating
noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
potassium-argon dating popularity
This term is known only to a narrow circle of people with rare knowledge. Only 1% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.
See also
Matching words
- Words starting with p
- Words starting with po
- Words starting with pot
- Words starting with pota
- Words starting with potas
- Words starting with potass
- Words starting with potassi
- Words starting with potassiu
- Words starting with potassium
- Words starting with potassiuma
- Words starting with potassiumar
- Words starting with potassiumarg
- Words starting with potassiumargo
- Words starting with potassiumargon