Dictionary: A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z



achromasia ach·ro·ma·si·a (āk’rō-mā’zē-ə, -zhə)

Pallor associated with the hippocratic facies of extremely severe and chronic illness.

See achromia.


Read Also:

  • Achromat

    . noun Also called achromatic lens. a lens designed to bring light of two chosen wavelengths to the same focal point, thus reducing chromatic aberration Compare apochromat a person who has no colour vision at all and can distinguish only black, white, and grey. The condition is very rare

  • Achromate

    a person unable to perceive color.

  • Achromatic

    Optics. free from color. able to emit, transmit, or receive light without separating it into colors. Biology. (of a cell structure) difficult to stain. Music. without accidentals or changes in key. Historical Examples achromatic lenses are used in all high-grade optical instruments such as telescopes and microscopes. Physics Willis Eugene Tower If not, the substitution […]

  • Achromatic colour

    noun (physics) colour, such as white, black, and grey, that is devoid of hue See colour (sense 2)

Disclaimer: Achromasia definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.