"This graph shows the population of California over time."
2
Occurring gradually, as the time passes.
There are surely relationships in which romantic passion dies over time; the price of abandoning them is often less than the price of endless years spent in resuscitation efforts.2003, Stephen A. Mitchell, Can Love Last?: The Fate of Romance over Time, W. W. Norton & Company, →ISBN, page 55:
It also appears that the older with less education score initially better than the young with higher education, but over time, the young appear to surpass them.2008, Can Attachment Explain Individual Differences in Cognitive Functioning Over Time?: Results from a 12-year Cohort-sequential Study, ProQuest, →ISBN, page 26:
over-time
verb
Etymology From over- + time.
1
Dated, Obsolete, Rare To time or measure the development of something in excess.
2
Dated, Obsolete, Rare To grant an excess amount of time to an exposure or other process.