concentric
B2CEFR level
55/100Rarity: uncommon
TechnicalRegister
Medicine adjective
Describing a muscle contraction in which the muscle shortens as it produces force.
Lifting the weight uses a concentric contraction, while lowering it slowly is eccentric.
Business adjective
Relating to diversification into businesses that share technology or markets with the core.
The deal was concentric rather than conglomerate, extending the firm into adjacent products sold to the same customers.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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