from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Capable of diffusing or of undergoing diffusion.

from The Century Dictionary.

  • Capable of diffusing, as a fluid; diffusive.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Capable of flowing or spreading in all directions; that may be diffused.
  • adjective (Physiol.) Capable of passing through animal membranes by osmosis.

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

  • adjective Able to be diffused


Sorry, no etymologies found.


  • Beadle and Ephrussi designed at Caltech a set of experiments, involving transplantation of larval imaginal eye discs, to study the vermilion-plus hormone, as they called the diffusible substance.

    Thomas Hunt Morgan and His Legacy

  • The stomach, having high acidity (pH 1-3), is a significant site for absorption of weak organic acids, which exist in a diffusible, nonionized and lipid-soluble form.

    Absorption of toxicants

  • We introduce morphogens -- diffusible signal molecules -- and adhesive proteins (both molecular components of our DPMs) or we knock these molecules down.

    The Origin of Form Was Abrupt Not Gradual

  • A gradient is a source of a morphogen, a diffusible product of the cells.

    The Origin of Form Was Abrupt Not Gradual

  • Accordingly, in pre-empting neuronal glucose utiliztion by the neuron, ketone bodies may compromise neuronal energetic efficiency and, together with both endogenously generated and diffusible ROS exported by the fatty acid-oxidizing astrocyte, promote cell injury.

    Metabolism and ketosis | The Blog of Michael R. Eades, M.D.

  • In dangerous tropical regions, where there is little appetite and less nutritious diet, where exertion of mind and body easily exhaust vitality, and where “diffusible stimulants” must often take the place of solids, he dies first who drinks water.

    Two Trips to Gorilla Land and the Cataracts of the Congo

  • The result of “turning over a new leaf,” in the shape of a phial of thin “Gladstone,” was a lumbago which lasted me a long month, and which disappeared only after a liberal adhibition of “diffusible stimulants.”

    The Land of Midian

  • Division, Beadle and Ephrussi decided to pursue an early discovery by Sturtevant; namely, that a diffusible substance must be involved in the synthesis of the brown eye pigment of

    Thomas Hunt Morgan and His Legacy

  • My first results showed that it was a spheroid with a well-defined atomic structure, a new concept when proteins were still widely regarded as woolly colloids, that it consisted of two identical halves which were not penetrated by diffusible electrolytes, and that its four haems were roughly parallel to each other.

    The Medical Research Council Laboratory of Molecular Biology

  • CBF imaging is based on the scintillation detection of the rates in which inert freely diffusible radioisotopes e.g., krypton 85, 133xenon are cleared from the brain following intracarotid injection or inhalation.

    The Neuropsychiatric Guide to Modern Everyday Psychiatry


Log in or sign up to get involved in the conversation. It's quick and easy.