Abundance (Noun)
Meaning 1
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present.
Classification
Nouns denoting relations between people or things or ideas.
Examples
- The sample of uranium ore was analyzed for its isotopic abundance, revealing a surprisingly high percentage of the rare isotope.
- The team carefully measured the abundance of carbon-13 in the ancient tree ring to estimate the sample's age.
- Understanding the isotopic abundance of an element is crucial for understanding its chemical properties and reactions.
- By analyzing the nuclear reactions in the star, the researchers were able to infer the abundance of certain isotopes.
- A high abundance of deuterium in a star's hydrogen would indicate that it was formed in a region of the universe with different nucleosynthesis processes.
Meaning 2
(chemistry) the ratio of the total mass of an element in the earth's crust to the total mass of the earth's crust; expressed as a percentage or in parts per million.
Classification
Nouns denoting relations between people or things or ideas.
Examples
- The abundance of oxygen in the earth's crust is approximately 46% by mass, making it the most abundant element.
- The average abundance of copper in sedimentary rocks is around 55 parts per million.
- Silicon has a relatively high abundance in the earth's crust, primarily due to its presence in silicate minerals.
- Helium has a very low abundance on earth, making up only about 0.00052 parts per million of the crust by mass.
- The abundance of gold in the earth's crust is estimated to be around 0.003 parts per million, which is why it is considered a rare and valuable element.
Meaning 3
The property of a more than adequate quantity or supply; "an age of abundance".
Classification
Nouns denoting attributes of people and objects.
Synonyms
Antonyms
Hyponyms
- Profuseness
- Plenitude
- Voluptuousness
- Plentifulness
- Plentitude
- Lushness
- Bounty
- Plenteousness
- Richness
- Superabundance
- Bountifulness
- Cornucopia
- Overmuchness
- Overmuch