This is the 12145th most frequent French word.
variation
Change or difference in condition, amount, or level.
In this sentence, 'variation' is used to describe the changes in temperatures over time.
La variation des températures cet été est surprenante.
The variation in temperatures this summer is surprising.
Here, 'variation' reflects diversity or evolution within a certain population or ecological context.
Nous avons étudié la variation des espèces dans cet écosystème.
We studied the variation of species in this ecosystem.
The term 'variation' is applied to represent a small change or deviation in a signal or input.