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  • plasm-
    plasm-
    variant of plasmo- before a vowel.
  • -plasm
    -plasm
    a combining form with the meanings “living substance,” “tissue,” “substance of a cell,” used in the formation of compound words.
  • plasm
    plasm
    noun
    protoplasm of a specified type
Synonyms

plasm-

1 American  
  1. variant of plasmo- before a vowel.

    plasmapheresis.


-plasm 2 American  
  1. a combining form with the meanings “living substance,” “tissue,” “substance of a cell,” used in the formation of compound words.

    endoplasm; neoplasm; cytoplasm.


plasm 1 British  
/ ˈplæzəm /

noun

  1. protoplasm of a specified type

    germ plasm

  2. a variant of plasma

"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

-plasm 2 British  

combining form

  1. (in biology) indicating the material forming cells

    protoplasm

    cytoplasm

"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

Usage

What does -plasm mean? The combining form -plasm is used like a suffix meaning “living substance,” "tissue," "substance of a cell." It is very occasionally used in scientific terms, especially in biology. The form -plasm comes from Greek plásma, meaning “something molded or formed.” Find out how plásma is related to plaster and plastic at our entries for both words. What are variants of -plasm?The form -plasm does not have any variants. However, it is related to the combining forms plasmo- and plasm-, as in plasmapheresis. Additional related forms include -plasia, -plasy, -plastic, and -plasty. To learn more, check out our Words That Use articles about these forms.

Other Word Forms

Etymology

Origin of -plasm

Combining form representing Greek plásma. See plasma

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The new individual consists, from the start, of two sorts of plasm.

From The New Yorker Aug. 19, 2019

Although dismaying to some Lee fans, the belated publication of “Watchman,” an apprentice work containing the germ plasm of “Mockingbird,” cast light on the virtues and limitations of the author and her canonical novel.

From New York Times Jun. 18, 2018

Huxley would later admit that he was wrong about the deep-sea muck, but many 19th-century biologists thought that plasm was the stuff of life.

From Slate Jul. 18, 2016

It holds more than 500,000 samples of crop germ plasm, providing a backup for the national and international seed banks that donated the material.

From Science Magazine May 15, 2015

Some would-be architects of our future look toward a time when it will be possible to alter the human germ plasm by design.

From "Silent Spring" by Rachel Carson

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