This is the 1062nd most frequent French word.
siècle
"Siècle" means "century" in English.
In this sentence, 'siècle' refers to a period of 100 years, specifically naming the 20th century.
Le vingtième siècle a vu de nombreuses innovations technologiques.
The twentieth century witnessed many technological innovations.
Here, 'siècle' is used to measure a span of 100 years, emphasizing the passage of time.
Un siècle s'est écoulé depuis cet événement historique.
A century has passed since that historical event.
In this case, 'siècle' describes an era, referring metaphorically to the specific period of cultural and intellectual history known as the Enlightenment.