Meaning of endmember in English:
endmember
Pronunciation /ˈɛndmɛmbə/
noun
Geology
A mineral or rock representing one end of a series having a range of composition.
‘The A-type granites cluster towards the mantle endmember.’
- ‘The isotopic composition of these recrystallized bones is therefore a mixture between two endmember compositions, one biogenic and one diagenetic.’