What does holochroal mean?

Definitions for holochroal
holochroal

This dictionary definitions page includes all the possible meanings, example usage and translations of the word holochroal.


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Wiktionary

  1. holochroaladjective

    Having compound lenses, each with separate cornea, each lens separated from others by shallow scleral walls; corneal membrane ends at lens edge

Wikipedia

  1. holochroal

    Holochroal eyes are compound eyes with many tiny lenses (sometimes more than 15,000, each 30-100μm, rarely larger). They are the oldest and most common type of trilobite eye, and found in all orders of trilobite from the Cambrian to the Permian periods. Lenses (composed of calcite) covered a curved, kidney-shaped visual surface in a hexagonal close packing system, with a single corneal membrane covering all lenses. Unlike in schizochroal eyes, adjacent lenses were in direct contact with one another. Lens shape generally depended on cuticle thickness. The lenses of trilobites with thin cuticles were thin and biconvex, whereas those with thick cuticles had thick lenses, which in extreme cases, could be thick columns with the outer surface flattened and the inner surface hemispherical. Regardless of lens thickness, however, the point at which light was focused was roughly the same distance below the lens.

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Numerology

  1. Chaldean Numerology

    The numerical value of holochroal in Chaldean Numerology is: 7

  2. Pythagorean Numerology

    The numerical value of holochroal in Pythagorean Numerology is: 8

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"holochroal." Definitions.net. STANDS4 LLC, 2024. Web. 29 Mar. 2024. <https://www.definitions.net/definition/holochroal>.

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