I. noun — [ mass noun] 1. the process by which one thing absorbs or is absorbed by another • the country’s absorption into the Ottoman Empire
• shock absorption.
2. the state of being engrossed in something • her absorption in the problems of the Third World.
II. derivatives 1. absorptive /əbˈzɔːptɪv, əbˈsɔːptɪv / adjective
2. absorptivity noun
– origin late 16th cent. (in the sense ‘the swallowing up of something’): from Latin absorptio(n-), from absorbere ‘swallow up’ (see absorb).