years

Definition

plural of year.

Example Sentences

• "1981, May 5 1718-PDT, Jim McGrath, Earliest Usenet use via Google Groups: fa.sf-lovers, said with a smile at an awards ceremony in the Pennsylvania state Capitol It will be a shorter book and it will not start four million years ago."
• "Oxygen levels on Earth skyrocketed 2.4 billion years ago, when cyanobacteria evolved photosynthesis: the ability to convert water and carbon dioxide into carbohydrates and waste oxygen using solar energy."