American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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Elsewhere on the web
In particular, there is a specific structure called the centrosome that is a kind of cytoskeletal organizing center - sort of like a seed crystal that acts as a starting point for growth.— Pharyngula
One special role for the centrosome is as an anchor point for the fibers upon which chromosomes shuttle about during cell division.— Pharyngula
It does not demonstrate that the paternal centrosome is sufficient to generate a complete animal.— Pharyngula
Just as you can't say all the hereditary information is confined to DNA, you also can't say that it's the domain of the centrosome or cortex.— Pharyngula
In the absence of Slimb, each mother centrosome can give rise to several daughters in one go, leading to an excess of centrosomes in the cell.— PhysOrg.com - latest science and technology news stories

Century Dictionary (1)
Bubble size: how much this word was used in a year
Bubble height: used more or less than expected, vs. all uses evenly distributed
You can expect to see this word about twice a year.
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