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protoplast

American  
[proh-tuh-plast] / ˈproʊ təˌplæst /

noun

  1. Biology.

    1. the contents of a cell within the cell membrane, considered as a fundamental entity.

    2. the primordial living unit or cell.

  2. a person or thing that is formed first; original; prototype.

  3. the hypothetical first individual or one of the supposed first pair of a species or the like.


protoplast British  
/ ˈprəʊtəˌplæst /

noun

  1. a unit consisting of the living parts of a cell, including the protoplasm and cell membrane but not the vacuoles or (in plants) the cell wall

"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

Other Word Forms

Etymology

Origin of protoplast

1525–35; < Late Latin prōtoplastus the first man, noun use of Greek prōtóplastos formed first. See proto-, -plast

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:

Stewart and his collaborators have developed a robot that performs an established technique called protoplast transformation faster and more accurately than is possible by hand.

From Nature Nov. 1, 2016

Verse cxxiv., protoplast, the original, the thing first formed.

From The Browning Cyclop?dia A Guide to the Study of the Works of Robert Browning by Berdoe, Edward

Ferragut, on passing from one tank to the other, mentally established the gradation of the fauna from the primitive protoplast to the perfect organism.

From Mare Nostrum (Our Sea) A Novel by Jordan, Charlotte Brewster

Fortunately the time was already past when protoplast patients were looked upon as something mildly freakish and to be pitied.

From Man Made by Teichner, Albert

The curtain of the night was torn To show the protoplast Transfigured on the finer face Of that far prehistoric race— We, clumsy, call Lemurian!

From The Piper and the Reed by Norwood, Robert W.

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