Abundance
例
The garden was filled with an abundance of blooming flowers in the spring.
春には庭が咲き乱れる花の豊富さでいっぱいでした。
The region is known for its abundance of natural resources.
この地域は天然資源の豊富さで知られています。
02
(in chemistry) the relative amount of an element present in the Earth's crust, expressed as a percentage of total crustal mass or in parts per million
例
The abundance of oxygen in the Earth's crust is around 46 %.
Scientists measured the abundance of silicon in various rock samples.
03
(in physics) the proportion of atoms of a specific isotope of an element relative to the total number of atoms of all its isotopes
例
The abundance of carbon-12 in nature is much higher than that of carbon-13.
Scientists measured the abundance of uranium-235 in the sample to determine its suitability for reactor fuel.
語彙ツリー
overabundance
abundance
abund
