Definition of postfixation in US English:

postfixation

adjective

  • Biology. Occurring, performed, or used after the fixation of tissue.

noun

  • 1Anatomy. Connection of a nerve to the spinal cord in a relatively caudal (posterior) position.

  • 2Biology. Fixation of tissue that has already been treated with a fixative.

Origin

1930s; earliest use found in Science. From post- + fixation.

Pronunciation

postfixation

/ˌpəʊs(t)fɪkˈseɪʃn/