petri-

1. variant of petro- before elements of Latin origin.

   petrifaction.

Example Sentences

"How about the brain and behaviour? How can you study behaviour in a petri dish? You just can't," he says.

Read more on BBC

Among them are Patricia Bullrich, the tough-on-crime security minister and senate hopeful, and Defense Minister Luis Petri, who is expected to win in his campaign to represent Mendoza province in the lower house of Congress.

Read more on The Wall Street Journal

Dr. Petri Murto in the Yusuf Hamied Department of Chemistry developed molecular structures that allow tuning of the molecule-to-molecule contact and the energy balance governed by Mott-Hubbard physics needed to achieve charge separation.

Read more on Science Daily

Even more astonishing, when the researchers collected the exosomes—tiny molecular communication packets secreted by the altered stem cells—from these cells while the cells were growing in a petri dish, they found that these exosomes alone could replicate much of the antiaging effect in the monkeys.

Read more on The Wall Street Journal

School and nursery can be like a petri dish with lots of viruses circulating and they may well bring these germs home with them.

Read more on BBC

When To Use

What does petri- mean?

Petri- is a combining form used like a prefix meaning “rock” or "stone." It is very occasionally used in scientific terms.Petri- comes from Greek pétra, meaning “rock.” Two Latin translations of pétra are lapis and saxum, both meaning “stone,” which are the roots of terms such as lapis lazuli and saxifrage, respectively. To learn more, check out our entries for both words.What are variants of petri-?When combined with words or word elements that begin with a vowel, petri- becomes petr-, as in petrous, from the Latin equivalent of the form. Another variant of petri- is petro-. Want to know more? Read our Words That Use articles on petr- and petro-.