英语词源字典 - 在线词源网站

reptant [reptant 词源字典]: "(Of an animal) moving with a creeping or crawling action", Mid 17th century: from Latin reptant-, from the verb reptare 'to creep'.[reptant etymology, reptant origin, 英语词源]
rhizobium: "A nitrogen-fixing bacterium that is common in the soil, especially in the root nodules of leguminous plants", 1920s: modern Latin, from rhizo- 'root' + Greek bios 'life'.
rubefacience: "Redness (of the skin), especially that resulting from the use of a rubefacient", Early 19th cent. From rubefacient: see -ence.
rubefaction: " Medicine . Reddening or redness of the skin, especially as produced by a rubefacient; the action of using a rubefacient; an instance of this. Now rare", Late Middle English; earliest use found in Guy de Chauliac's Grande Chirurgie. From rubify: see -faction.
rubricate: "Add elaborate, typically red, capital letters or other decorations to (a manuscript)", Late 16th century: from Latin rubricat- 'marked in red', from the verb rubricare, from rubrica (see rubric).
re-edifier: "A person who rebuilds or reconstructs a building, city, etc", Mid 16th cent.; earliest use found in John Leland (c1503–1552), poet and antiquary. Either from re- + edifier, or from re-edify + -er.
revulse: " Medicine . To withdraw (humours, blood, etc.) from a part of the body by revulsion. Compare revel. Now historical and rare", Mid 17th cent. From classical Latin revuls-, past participial stem of revellere, after revulsion.
rosarian: "A person who cultivates roses, especially as an occupation", Mid 19th century: from Latin rosarium 'rose garden, rosary' + -an.
resupine: "Lying on the back; inclined backwards. Also occasionally figurative and as adverb Now rare", Mid 17th cent.; earliest use found in Kenelm Digby (1603–1665), natural philosopher and courtier. From classical Latin resupīnus lying face upwards, lying flat on one's back, inert, passive, indifferent, leaning back, tilted back from re- + supīnus. Compare Middle French, French †resupin, Spanish resupino, Portuguese resupino, Italian resupino, all rare. Compare earlier supine.
rumenitis: "Inflammation of the rumen; an instance of this", Late 19th cent.; earliest use found in The Medical Record. From rumen + -itis, after French ruminite.
reflate: "Expand the level of output of (an economy) by government stimulus, using either fiscal or monetary policy", 1930s: from re- 'again', on the pattern of inflate, deflate.
rubedinous: "Reddish", Mid 19th cent.; earliest use found in Moses Stuart (1780–1852). From post-classical Latin rubedin-, rubedo redness + -ous.
rosaceous: "Relating to or denoting plants of the rose family (Rosaceae)", Mid 18th century: from modern Latin Rosaceae (based on Latin rosa 'rose') + -ous.
rubefacient: "Producing redness of the skin (especially as a method of counterirritation); of or relating to this property", Mid 17th cent.; earliest use found in Robert Lovell (?1630–1690), naturalist. From classical Latin rubefacient-, rubefaciēns, present participle of rubefacere; compare -facient. With the use as adjective compare earlier rubificative, rubifying. With the use as noun compare earlier rubificative, rubrificative.
rhonchial: "= rhonchal", Mid 19th cent. From rhonchus + -ial, perhaps after bronchial.
retroject: "Project backwards", Mid 19th century: from retro- 'backwards', on the pattern of the verb project.
Ruminantia: "With plural concord. A division of hoofed mammals that comprises the ruminants, now regarded as a suborder of Artiodactyla that excludes the camel family", Early 19th cent.; earliest use found in William Lawrence (1783–1867), surgeon. From scientific Latin Ruminantia, group name, specific use of classical Latin rūminantia, neuter plural of the present participle of rūminārī or rūmināre ruminate.
resupinate: "(Of a leaf, flower, fruiting body, etc.) upside down", Late 18th century: from Latin resupinatus 'bent back', past participle of resupinare, based on supinus 'lying on the back'.
remains: "The parts left over after other parts have been removed, used, or destroyed", Late Middle English (occasionally treated as singular): from Old French remain, from remaindre, from an informal form of Latin remanere (see remain).
rathe: "(Of a person or their actions) prompt and eager", Old English hræth, hræd, of Germanic origin; perhaps related to the base of rash¹.