1.
If you describe something as ~, you mean that it is large enough to be noticed or to be significant. (FORMAL)
Both leaders seemed to expect ~ progress.
ADJ: usu ADJ n
measurably
The old man’s voice was measurably weaker than the last time they’d talked...
ADV: ADV adj/adv, ADV with v
2.
Something that is ~ can be measured.
Economists emphasize ~ quantities–the number of jobs, the per capita income...
ADJ