səpɪˈeɪʃən

Definitions

1. noun

the process by which new species emerge from existing ones, usually as a result of geographical isolation or other factors

“The process of speciation is still not fully understood, but it is believed to be a key factor in the evolution of new species over time.”

2. verb

to divide or separate into different species

“The new species is thought to have speciated from a common ancestor around 10 million years ago.”