[ an-ahy-so-truh-pee ]

  1. Physics. the fact of having unequal physical properties along different axes:Even crystals with a simple cubic lattice structure, such as salt, display optical anisotropy; that is, the light propagates differently in different directions.

  2. Botany. the fact of having different rates of growth in different directions:Anisotropy is a nearly ubiquitous feature of plant growth; it is necessary, if a growing plant organ is to produce any other form than a sphere.

Origin of anisotropy

First recorded in 1875–80; an-1 + isotrop(ic) + -y3
  • Rarely an·i·so·tro·pism [an-ahy-so-truh-piz-uhm] /ˌæn aɪˈsɒ trə pɪz əm/ .

Words Nearby anisotropy Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use anisotropy in a sentence

  • The diurnal curve of movement should now show an inversion, if that movement was solely determined by the anisotropy of the organ.

    Life Movements in Plants | Sir Jagadis Chunder Bose