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What does "Absorption" mean?


(n.) An imbibing or reception by molecular or chemical action; as, the absorption of light, heat, electricity, etc (n.) Entire engrossment or occupation of the mind; as, absorption in some employment (n.) In living organisms, the process by which the materials of growth and nutrition are absorbed and conveyed to the tissues and organs (n.) The act or process of absorbing or sucking in anything, or of being absorbed and made to disappear; as, the absorption of bodies in a whirlpool, the absorption of a smaller tribe into a larger

Synonyms assimilation, concentration, preoccupation, engrossment, preoccupancy, soaking up

Example: "The absorption of photons by atoms or molecules"