lower bound

[loh-er] /ˈloʊ ər/

noun, Mathematics

an element less than or equal to all the elements in a given set:

The numbers 0 and 1 are lower bounds of the set consisting of 1, 2, and 3.

Examples from the web for lower bound

So the odds of running up against the zero lower bound are high, and recovery can be a long time in coming.
Both credit markets and labour markets struggle to clear because of the problem of low inflation at the zero lower bound.
Monetary policy has been operating near the zero lower bound to provide maximum monetary stimulus.
But, he pointed out, interest rates are constrained by the zero lower bound.
For starters, they would reduce real interest rates, mitigating the problem of the zero lower bound on nominal rates.
If anything, these results are likely a lower bound.
The federal funds rate is near the zero lower bound.
Since the lower bound is negative and the upper bound is positive, the percent change is not statistically significant.
Data collected in scientific and engineering applications often have a lower bound of zero.
Some measurements have a lower bound and are skewed right.

lower bound in Science

lower bound
A number that is less than or equal to every number in a given set.