单词 | rickettsia |
释义 | rickettsia[ ri-ket-see-uh ] / rɪˈkɛt si ə / noun, plural rick·ett·si·ae [ri-ket-see-ee], /rɪˈkɛt siˌi/, rick·ett·si·as [ri-ket-see-uhz]. /rɪˈkɛt si əz/.any member of the genus Rickettsia, comprising rod-shaped to coccoid microorganisms that resemble bacteria but can be as small as a large virus and reproduce only inside a living cell, parasitic in fleas, ticks, lice, and mites and transmitted by bite to vertebrate hosts, including humans, causing such severe diseases as typhus and Rocky Mountain spotted fever. any rickettsia or rickettsialike microorganism of the orders Rickettsiales and Chlamydiales. Origin of rickettsia1915–20; <New Latin, after Howard T. Ricketts (1871–1910), U.S. pathologist; see -ia OTHER WORDS FROM rickettsiarick·ett·si·al, adjectiveWords nearby rickettsiarick, Rickenbacker, ricker, rickets, Ricketts, rickettsia, Rickettsia akari, Rickettsia australis, Rickettsia conorii, rickettsial, rickettsial disease Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for rickettsiarickettsia / (rɪˈkɛtsɪə) / noun plural -siae (-sɪˌiː) or -siasany of a group of parasitic bacteria that live in the tissues of ticks, mites, and other arthropods, and cause disease when transmitted to man and other animals Derived forms of rickettsiarickettsial, adjectiveWord Origin for rickettsiaC20: named after Howard T. Ricketts (1871–1910), US pathologist Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for rickettsiaRickettsia [ rĭ-kĕt′sē-ə ] n.A genus of gram-negative bacteria that are carried as parasites by many ticks, fleas, and lice and cause diseases such as typhus, scrub typhus, and Rocky Mountain spotted fever. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. |
随便看 |
|
英语词典包含192737条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。