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a combining form meaning “making, formation,” used in the formation of compound words: hematopoiesis.
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“Was” is used for the indicative past tense of “to be,” and “were” is only used for the subjunctive past tense.

Origin of -poiesis

<Greek -poiēsis;see poesy, -sis
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022


What does -poiesis mean?

The combining formpoiesis is used like a suffix meaning “making, formation.” It is often used in scientific terms, especially in biology.

The form –poiesis comes from Greek –poiēsis, meaning “a making” or “creation,” from the verb poieîn, “to make.” Another descendant of poieîn is the English word poet. To learn more, check out our entry about poet.

What are variants of –poiesis?

The form –poiesis doesn’t have any variants. However, it is related to the form poietic, which is used to form adjectives that correspond to nouns ending in –poiesis. Want to know more? Read our Words That Use article about –poietic.

Examples of -poiesis

One example of a scientific term that features the form –poiesis is uropoiesis, “the production and excretion of urine.”

As you may have guessed, the form uro means “urine,” from Greek oûron. The form –poiesis means “formation.” Uropoiesis literally translates to “urine formation.”

What are some words that use the combining form –poiesis?

What are some other forms that –poiesis may be commonly confused with?

Break it down!

The combining form hemo means “blood.” With this in mind, what does hemopoiesis mean?

British Dictionary definitions for -poiesis


n combining form
indicating the act of making or producing something specifiedhaematopoiesis

Derived forms of -poiesis

-poietic, adj combining form

Word Origin for -poiesis

from Greek, from poiēsis a making; see poesy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for -poiesis


Production; creation; formation:hemopoiesis.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.