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Definition of proliferation - 6 dictionary results

pro⋅lif⋅er⋅a⋅tion

[pruh-lif-uh-rey-shuhn]
–noun
1. the growth or production of cells by multiplication of parts.
2. a rapid and often excessive spread or increase: nuclear proliferation.

Origin:
1855–60; proliferate + -ion
pro·lif·er·ate   (prə-lĭf'ə-rāt')   
v.   pro·lif·er·at·ed, pro·lif·er·at·ing, pro·lif·er·ates

v.   intr.
  1. To grow or multiply by rapidly producing new tissue, parts, cells, or offspring.
  2. To increase or spread at a rapid rate: fears that nuclear weapons might proliferate.
v.   tr.
To cause to grow or increase rapidly.

[Back-formation from proliferation, the act of proliferating, from French prolifération, from prolifère, procreative : Latin prōlēs, prōl-, offspring; see proliferous + Latin -fer, -fer.]
pro·lif'er·a'tion n., pro·lif'er·a'tive adj., pro·lif'er·a'tor n.

Proliferation

Pro*lif`er*a"tion\, n. 1. (Biol.) The continuous development of cells in tissue formation; cell formation. --Virchow.

2. (Zo["o]l.) The production of numerous zooids by budding, especially when buds arise from other buds in succession.

proliferation 
1867, "formation or development of cells," from Fr. proliferation, from prolifere "producing offspring," from L. proles "offspring" (see prolific) + ferre "to bear" (see infer). Meaning "enlargement, extension, increase" is from 1920; esp. of nuclear weapons (1966). Proliferate is a back-formation, first recorded 1873.

Main Entry: pro·lif·er·a·tion
Pronunciation: pr&-"lif-&-'rA-sh&n
Function: noun
1 a : rapid and repeatedproduction of new parts or of offspring (as in a mass of cells by a rapid succession of cell divisions) b : a growth so formed
2 : the action, process, or resultof increasing by or as if by proliferation

proliferation pro·lif·er·a·tion (prə-lĭf'ə-rā'shən)
n.
The growth and reproduction of similar cells.

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