invertileadj.
/ɪnˈvəːtʌɪl/, U.S. /ᵻnˈvərdl/ Chiefly Zoology. rare.
That can turn itself inside out or be turned inside out; invertible.
ΘΚΠ
the world > life > biology > physical aspects or shapes > physical arrangement or condition > [adjective] > turned inwards, upwards, backwards, etc.
reflexeda1500
resupinated1661
nutant1751
nodding1776
resupinate1776
reversed1777
deflex1791
retrorse1818
deflexed1826
deflected1828
fornicate1828
invaginated1835
antrorse1838
invertile1853
posterial1866
retrorsal1870
invaginate1887
invaginable1888
1853 Ann. & Mag. Nat. Hist. 12 157 The Worm-Anemone. Body cylindrical, lengthened, vermiform, invertile, incapable of attachment.
1881–2 W. Saville-Kent Man. Infusoria II. 846 Tentacles flexible, more or less retractile or invertile, not suctorial or capitate.
1909 Jrnl. Quekett Microsc. Club 10 213 The tip of the rostrum is invertile, and all those organs can be drawn into it.
1956 U.S. Patent 2,730,763 8 One principal difference in the..presses resides in the manner of effecting invagination or turning inside out of the invertile tire shaping member or former.
This entry has been updated (OED Third Edition, June 2019; most recently modified version published online March 2022).
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adj.1853