plio-

1. variant of pleo-.

plio-

combining form

1. greater in size, extent, degree, etc; more

   Pliocene

Word History and Origins

Origin of plio-¹

from Greek pleiōn more, from polus much, many

When To Use

What does plio- mean?

Plio- is a combining form used like a prefix meaning “more.” It is very occasionally used in scientific terms, especially in biology.Plio- comes from Greek pleíōn, meaning “more.” The Latin cognate of pleíōn is plūs “more,” which is the source of terms such as plural and plus. To learn more, check out our entries for these two words.What are variants of plio-?Plio- is a very rare variant of pleo-. Another rare variation of pleo- is pleio-. Want to know more? Read our Words That Use articles about pleo- and pleio-.