네 부분으로 이루어진 또는 네 번째 순위의.
Consisting of four parts or elements; fourth in order or rank.
예문:
"The quaternary phase of the project involves final testing and deployment."
"A quaternary numeral system uses four as its base for calculations."
신생대 제4기에 속하거나 그 시기에 형성된.
Relating to the most recent period of the Cenozoic era, following the Tertiary period.
예문:
"Quaternary sediments are often found in river valleys and coastal plains."
"The Quaternary period is characterized by significant climatic fluctuations and ice ages."
중심 원자가 4개의 유기 원자단과 결합된 화합물의.
Denoting a compound in which a central atom is bonded to four organic groups.
예문:
"Quaternary ammonium compounds are widely used as disinfectants in hospitals."
"The molecule features a quaternary carbon atom bonded to four other carbons."
신생대의 마지막 시기인 제4기.
The Quaternary period or the system of deposits laid down during it.
예문:
"The Quaternary began approximately 2.58 million years ago."
"Much of the Earth's current topography was shaped during the Quaternary."