lowermost

Everyday

1. Lowest; at the very bottom of a set of things. tree →
2. (formal) The furthest down of several layers or levels. tree →

In the lessons

In science and geography it appears for layers: «the lowermost layer of rock is the oldest». In instructions: «the lowermost shelf». It is a slightly formal or written word; in everyday speech people usually say «bottom» or «lowest». Opposite: «uppermost» or «topmost».

Examples

• The lowermost layer of rock is usually the oldest. tree →
• Put the heavy books on the lowermost shelf. tree →
• The lowermost branch of the tree was easy to reach. tree →
• The lowermost step was covered in moss. tree →
• In the diagram, the lowermost line shows the coldest month. tree →
• Roots grow from the lowermost part of the stem. tree →
• Fish lived in the lowermost part of the tank. tree →
• The lowermost floor of the building is a car park. tree →

Note

An adjective with no «more» or «most» forms (it already means «most»). More formal than «lowest» or «bottom». Opposite: «uppermost». In maths, «lowermost» point of a graph = lowest point (the minimum).