mer·​i·​stem | \ ˈmer-ə-ˌstem How to pronounce meristem (audio) \

Definition of meristem

: a formative plant tissue usually made up of small cells capable of dividing indefinitely and giving rise to similar cells or to cells that differentiate to produce the definitive tissues and organs

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Other Words from meristem

meristematic \ ˌmer-​ə-​stə-​ˈma-​tik How to pronounce meristem (audio) \ adjective
meristematically \ ˌmer-​ə-​stə-​ˈma-​ti-​k(ə-​)lē How to pronounce meristem (audio) \ adverb

Examples of meristem in a Sentence

Recent Examples on the Web The only problem was that the researchers did not know what gene might control the meristem’s pace of shoot production. New York Times, 8 July 2021 My multi-stemmed smoke tree (Cotinus obovate), which has been in the ground three years, has developed on one stem a die-back from the base toward the meristem of the sub-laterals in the course of three days. oregonlive, 31 July 2021 One day, Eugenio Azpeitia, then a postdoctoral fellow in Dr. Godin’s lab, remembered a gene that was known to change the size of the central zone of the meristem. New York Times, 8 July 2021 Saguaro cacti can develop mutations in meristem cells (equivalent to stem cells in animals) on the growing tips of the plant. Athena Aktipis, Scientific American, 1 Jan. 2021 Fasciation may be caused by mutation, virus, bacterial infection by bacterium known as Rhodococcus fascians, or injury to the meristem or growing part of the plant by insect, animal or human. Margaret Lauterbach, idahostatesman, 31 May 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'meristem.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of meristem

1872, in the meaning defined above

History and Etymology for meristem

Greek meristos divided (from merizein to divide, from meros) + English -em (as in system)

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The first known use of meristem was in 1872

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Last Updated

25 Aug 2021

Cite this Entry

“Meristem.” Dictionary, Merriam-Webster, Accessed 21 Sep. 2021.

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