- retraction nystagmus,
Origin of retractile
Examples from the Web for retractile
A retractile spring can be adjusted to cause cut-off at any required current.
The retractile spring should sharply return all the leaves of the screen to their normal positions when the key is released.Visual Signaling|Signal Corps United States Army
Tentacular arms long, not retractile; resisting apparatus well developed.
The claws are not retractile, or at most semi-retractile as in the Panda.The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard
The mimosa, when too long exposed to each rude touch, loses its retractile sensibility.Tales And Novels, Volume 8 (of 10)|Maria Edgeworth