Meaning Of The Word Potassium-argon dating
What's the definition of Potassium-argon dating? Find Potassium-argon dating meanings, definitions and more at the Real Dictionary online.
Potassium-argon dating Meaning
| Potassium-argon dating Definition |
|---|
What's The Definition Of Potassium-argon dating?
potassium-argon dating in American English
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 a noun: a method for estimating the age of a mineral or rock, based on measurement of the rate of decay of radioactive potassium into argon potassium-argon dating in British English noun: a technique for determining the age of minerals based on the occurrence in natural potassium of a small fixed amount of radioisotope 40 K that decays to the stable argon isotope 40Ar with a half-life of 1.28 × 109 years. Measurement of the ratio of these |
More Definitions
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
Definitions Of The Day
- Branch water ‐ water from a small stream or brook; noun: water…
- Cretism ‐ noun: a lie or…
- Dual number ‐ a grammatical number category referring to exactly…
- Unwinnowed ‐ adjective: (of grain, corn, etc) not winnowed…
- Lynn Regis ‐ noun; noun: a market town in E England, in Norfolk…
- Lift off ‐ phrasal verb: When an aircraft or rocket lifts…
- Cannibally ‐ adverb: in the manner of…
- Braced arch ‐ noun: an arch of steel, timber, etc., having a…
- Donah ‐ noun: a woman
- Colouring book ‐ countable noun: A colouring book is a book of…