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Absorbing Man: The Absorbing Man is a fictional supervillain appearing in American comic books published by Marvel Comics. He first appeared in Journey into Mystery #114, cover dated March 1965, created by writer Stan Lee and writer/artist Jack Kirby.
Absorbance: "Optical density" redirects here. "Optical density" can also refer to index of refraction.
Absorbed dose: Absorbed dose is a measure of the energy deposited in an irradiated medium by ionizing radiation per unit mass. Absorbed dose is used in the calculation of dose uptake in living tissue in both radiation protection , and radiology (potential beneficial effects for example in cancer treatment).
Absorber: In high energy physics experiments, an absorber is a block of material used to absorb some of the energy of an incident particle. Absorbers can be made of a variety of materials, depending on the purpose; lead, tungsten and liquid hydrogen are common choices.