sessile
C2CEFR level
88/100Rarity: very rare
TechnicalRegister
General adjective
Attached directly by its base without a stalk, or fixed in one place.
Barnacles are sessile creatures, cementing themselves head-down to the rock for life.
Medicine adjective
Attached directly by a broad base rather than by a stalk.
A flat, sessile polyp proved harder to resect than a pedunculated one.
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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