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diffraction

n. the bending or scattering of waves as they pass through an aperture or around the edge of a barrier. Diffraction most often refers to this phenomenon in light waves, but it may occur with waves of any type, including sound waves, radio waves, water waves, and so forth.

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Psychology term of the day

January 3rd 2025

ring chromosome 18

ring chromosome 18

a congenital chromosomal disorder characterized by microcephaly, ear and eye abnormalities, and mild to severe cognitive impairment. The condition is not hereditary but due to breakage of the arms of chromosome 18, which fuse to form one or more rings of varying sizes.