prot-

¹

1. variant of proto- before a vowel.

   protamine.

Prot.

²

abbreviation

1. Protestant.

Prot.

¹

abbreviation

1. Protestant

prot-

²

combining form

1. a variant of proto-

Example Sentences

A prot´egé of President Andrés Manuel López Obrador, she is already considered a front-runner in the 2024 presidential race.

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“Older people really feared death,” said Dr. Emilie Prot, a regional medical director with the state department of health.

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In the Rio Grande Valley, vaccines are part of the region’s fabric, Dr. Prot said.

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Dr. Emilie Prot with the Texas Department of State Health Services says there’s a larger amount of the bacteria present in summer months.

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Dr. Emilie Prot with the Texas Department of State Health Services says there’s a higher amount of the bacteria present in summer months.

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When To Use

What does prot- mean?

Prot- is a combining form used like a prefix meaning “first,” "foremost,” or “earliest form of.” In terms from chemistry, it specifically denotes either the first in a series of compounds or the compound containing the minimum amount of an element. It is often used in scientific and technical terms, especially in biology.Proto- comes from Greek prôtos, meaning “first.” The word proton, meaning "a positively charged elementary particle," ultimately shares this same Greek root. The Latin cognate of prôtos is prīmus “first,” which is the source of primary and prime. Check out our entries for both words to learn more.What are variants of prot-?Prot- is a variant of proto-, which loses its -o- when combined with words or word elements beginning with vowels. Want to know more? Read our Words That Use proto- article.