Definitions

from The Century Dictionary.

  • noun A microscopic spherical organism: applied by Cohn to the micrococci found in vaccine lymph and in small-pox pustules.
  • noun In the calcareous Foraminifera, the small primordial chamber of the test: an index of the dimorphism expressed by these bodies, as with like exteriors some have a microsphere and others a large primordial chamber or megasphere.
  • noun In cytology, the central portion of the astrosphere in the dividing cell. The center of the microsphere is occupied by the centrosome.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun Any sphere whose size is measured in micrometres

Etymologies

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Examples

  • To my mind, the microsphere is a much more useful tool for thinking about the social & informational connections between blogs than is the concept of the monolithic "blogosphere."

    The Challenge of Blog-Community Participation - Freshblog 2006

  • To my mind, the microsphere is a much more useful tool for thinking about the social & informational connections between blogs than is the concept of the monolithic "blogosphere."

    Archive 2006-09-01 2006

  • A new tool for the definition of and participation in a "microsphere" of blogs that are topically related to your own.

    Archive 2006-03-01 2006

  • A new tool for the definition of and participation in a "microsphere" of blogs that are topically related to your own.

    What's your Microsphere? - Freshblog 2006

  • Eventually what I'd like is 100% automatic trackback that does add search engine value... then if you link to me, you get a reciprocal link from that post page & the "microsphere" for whatever idea we're discussing is more clearly articulated / defined.

    Blogger Backlinks are Go!! - Freshblog 2005

  • DNA repair products aim to get into cells and fix DNA damage using bioengineered enzymes some are derived from ocean plankton and encapsulated in a microsphere that allegedly penetrates the skin and releases the enzymatic ingredient.

    Simple Skin Beauty Ellen Marmur 2009

  • Ideally, once the microsphere reaches the dermis it will go through a chemical reaction that disintegrates the capsule and releases the ingredient inside, allowing it to be absorbed.

    Simple Skin Beauty Ellen Marmur 2009

  • Sexy and scientific ingredients aside, prestige brands do offer intelligent (and patented) combinations of synergistic ingredients, or use high-tech methods of delivery (such as microsphere encapsulation and nanotechnology) that are proprietary and that may work well.

    Simple Skin Beauty Ellen Marmur 2009

  • A microsphere can only be produced by first melting iron, then dispersing the melted iron by some energetic means (like explosion) into an aerosol whose particles, influenced by the surface tension of the molten metal, form spheres as the smallest surface area required to contain any specified volume of matter.

    Pardon Our Dust, or, Why the World Trade Center Dust Matters 2009

  • One prescription retinoid uses microsphere technology to better penetrate the skin without causing as much irritation as usual.

    Simple Skin Beauty Ellen Marmur 2009

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