excalate, v.
(ˈɛkskəleɪt)
[f. ex-1 2 + -calate of intercalate.]
trans. To remove from a series: opposed to intercalate.
| 1900 Phil. Trans. R. Soc. B. CXCII. 342 There remains the assumption that vertebræ have been excalated in front of the pelvis. Ibid., Six vertebræ must have been excalated in front of the pelvis. |
So excaˈlation, the omission, absence, or elimination of a part from the middle of a series; spec., in a race of organisms, the absence of any part, such as one of the middle digits or one of the vertebræ.
| 1898 Nature 22 Dec. 171/2 Kükenthal's discovery of excalation of fingers in the Cetacea. 1900 Phil. Trans. R. Soc. B. CXCII. 343 Hence the supposition of excalation of vertebræ in front of the girdle [of Mustelus vulgaris] leads also to the necessary corollary that a vast amount of both inter- and excalation must go on at another spot. |