英语词源字典 - 在线词源网站

dynamometer [dynamometer 词源字典]: "An instrument which measures the power output of an engine", Early 19th century: from French dynamomètre, from Greek dunamis 'power' + French -mètre '(instrument) measuring'.[dynamometer etymology, dynamometer origin, 英语词源]
dialectician: "A person skilled in philosophical debate", Mid 16th century: from French dialecticien, from Latin dialecticus, based on Greek dialegesthai 'converse with'.
decurrent: "(Of a fungus gill, leaf, etc.) extending down the stem below the point of attachment", Mid 18th century: from Latin decurrent- 'running down', from the verb decurrere.
dictatory: "= dictatorial", Mid 17th cent.; earliest use found in Ephraim Pagitt (1574–1646), heresiologist. From classical Latin dictātōrius of or belonging to a dictator from dictātor + -ius, suffix forming adjectives. Compare Middle French dictatoire, Spanish dictatorio, Italian dittatorio.
dyscrasia: "An abnormal or disordered state of the body or of a bodily part", Late Middle English (denoting an imbalance of physical qualities): via late Latin from Greek duskrasia 'bad combination', from dus- 'bad' + krasis 'mixture'.
dementation: "The action of making a person demented; the fact or condition of being demented; madness", Late 16th cent.; earliest use found in Richard Robinson (fl. 1573–1589), poet. From post-classical Latin dementation-, dementatio insanity from dementat-, past participial stem of dementare + classical Latin -iō.
deltiologist: "A person who collects postcards as a hobby", 1940s: from Greek deltion (diminutive of deltos 'writing tablet') + -logist.
dictyospore: "A multicellular spore divided by transverse and longitudinal septa", 1930s; earliest use found in Frederic Edward Clements (1874–1945). From dictyo- + spore.
desman: "A small semiaquatic European mammal related to the mole, with a long tubular muzzle and webbed toes", Late 18th century: via French and German from Swedish desman-råtta 'muskrat', from desman 'musk'.
democratism: "Support for or advocacy of democracy as a political system or ideology", Late 18th cent.; earliest use found in Edmund Burke (?1730–1797), politician and author. From democrat + -ism.
desquamate: "(Of a layer of cells, e.g. of the skin) come off in scales or flakes", Early 18th century (in the sense 'remove the scales from'): from Latin desquamat- 'scaled', from the verb desquamare, from de- 'away from' + squama 'a scale'.
dictatress: "A female dictator; a woman who dictates", Late 17th cent. From dictator + -ess: see -tress. Compare earlier dictatrix.
déshabillé: "The state of being only partly or scantily clothed", French, 'undressed'.
defenestrate: "Throw (someone) out of a window", Early 17th century (as defenestrated): see defenestration.
dolichopellic: "Of a human pelvis: having the anteroposterior diameter greater than the transverse diameter", Late 19th cent. From ancient Greek δολιχός long + πέλλα bowl + -ic.
digital audio: "Audio data stored, processed, or transmitted digitally", 1960s; earliest use found in Proceedings of the National Academy of Sciences of the United States of America.
directress: "A female director", Early 17th century: from director + -ess¹; the variant directrice is an adopted French form.
diamagnetic: "(Of a substance or body) tending to become magnetized in a direction at 180° to the applied magnetic field", 1846: coined by Faraday, from Greek dia 'through, across' + magnetic.
disyllable: "A word or metrical foot consisting of two syllables", Late 16th century: alteration (influenced by syllable) of French disyllabe, via Latin from Greek disullabos 'of two syllables', from di- 'two' + sullabē 'syllable'.
diadelphous: "(Of stamens) united by their filaments so as to form two groups", Early 19th century: from di-¹ 'two' + Greek adelphos 'brother' + -ous.