| 释义 |
undulant, a.|ˈʌndjʊlənt|
[ad. L. *undulant-, undulans: cf. next, and Sp. undulante, F. ondulant.]
a. Moving after the manner of waves; rising and falling like waves.
1830Maunder Dict. 1834Ld. Houghton Tour Greece 138 Whose sweet undulant murmur the homeless mariner hearkened, Over the undulant sapphire. 1862Sir H. Taylor St. Clement's Eve ii. ii, Sea-spirits..Gliding and lapsing in an undulant dance. 1896Howells Impress. & Exp. 215 The lesser craft that plied upon the many channels of the meadows..seemed to sail upon their undulant grasses.
b. undulant fever: a rarely fatal febrile disease, caused by bacteria of the genus Brucella, which may be chronic but intermittent or acute and chiefly affects the reticuloendothelial system; (human) brucellosis.
1896M. L. Hughes in Lancet 25 July 239/2 It has occurred to me that the term ‘Undulant Fever’, by referring to the peculiar pyrexial curve so characteristic of the disease, might prove a serviceable name. 1897M. L. Hughes Medit. Fever i. 3 note, During epidemics of undulant or enteric fevers. 1930J. T. Duncan et al. in Syst. Bacteriol. (Med. Research Council) V. ix. 404 There has been much controversy as to whether Br. abortus, so commonly found in cattle, is capable of producing undulant fever in man. 1968Passmore & Robson Compan. Med. Stud. I. xviii. 75/1 Br. melitensis causes a similar infection in goats and is common in Mediterranean countries. In man it gives rise to a severe form of undulant fever called Malta fever.
Hence ˈundulancy, wave-like motion.
a1921N.E.D. s.v. Undulant a. |