Origin: Latin suffix -ance
Abundance has 4 different meanings across 1 category:
the property of a more than adequate quantity or supply
"an age of abundance"
(physics) the ratio of the number of atoms of a specific isotope of an element to the total number of isotopes present
"In mass spectrometry, the abundance of carbon-13 is calculated as the ratio of its atom count to that of all carbon isotopes in the sample."
(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
"The abundance of gold in the Earth's crust is approximately 0.001 parts per million, making it far less common than aluminum."
A large quantity; many.
"The garden was filled with an abundance of wildflowers after the spring rains."
The word abundance comes from the Latin abundantia, meaning "fullness" or "plenty." It originally described something that overflows and is related to the modern verb abound.