phellodermalyoudaoicibaDictYouDict[phellodermal 词源字典]
"Of or relating to the phelloderm", Late 19th cent.; earliest use found in Frederic Bower (1855–1948), botanist.[phellodermal etymology, phellodermal origin, 英语词源]
protozoologyyoudaoicibaDictYouDict
"The branch of zoology which deals with protozoans; the branch of medicine which deals with disease-causing parasitic protozoans", Early 20th cent.; earliest use found in The Nineteenth Century. From Protozoa + -ology.
polyphyllousyoudaoicibaDictYouDict
"Of a perianth, calyx, corolla, etc.: having or consisting of many separate members; not united. Opposed to monophyllous, gamophyllous. Compare polypetalous, polysepalous. Now chiefly historical", Late 18th cent.; earliest use found in Thomas Martyn (1735–1825), botanist. From poly- + -phyllous, probably after scientific Latin polyphyllus in plant names.
pyrotechnianyoudaoicibaDictYouDict
"= pyrotechnician", Mid 18th cent.; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From pyrotechny + -an.
pollakanthicyoudaoicibaDictYouDict
"= polycarpic", Early 20th cent. From ancient Greek πολλάκις many times, often + ἄνθος flower + -ic.
phrontisteryyoudaoicibaDictYouDict
"A school or other educational institution", Early 17th century: from Greek phrontistērion, from phrontistēs 'deep thinker', from phrontizein 'be thoughtful', from phrontis 'thought'.
pyelocystitisyoudaoicibaDictYouDict
"Inflammation of the urinary bladder, ureter, and pelvis of the kidney; an instance of this", Mid 19th cent. From pyelo- + cystitis.
papaveraceousyoudaoicibaDictYouDict
"Relating to or denoting plants of the poppy family (Papaveraceae)", Mid 19th century: from modern Latin Papaveraceae (plural), based on Latin papaver 'poppy', + -ous.
parapsoriasisyoudaoicibaDictYouDict
"Any of a group of chiefly chronic skin diseases characterized by the presence of scaly lesions thought to resemble those of psoriasis, several of which are now recognized to be caused by benign or pre-malignant clonal proliferation of T cells", Early 20th cent.; earliest use found in British Journal of Dermatology. From French parapsoriasis from para- + psoriasis.
physiographyyoudaoicibaDictYouDict
"Another term for physical geography", Early 19th century: from French physiographie (see physio-, -graphy).
papilliferousyoudaoicibaDictYouDict
"Bearing papillae; papillary", Early 19th cent.; earliest use found in William Kirby (1759–1850), entomologist and naturalist. From papilla + -iferous. Kirby and Spence also record a Latin form papillifer.
pedalferyoudaoicibaDictYouDict
"A soil in which there is no layer of accumulated calcium carbonate, but in which oxides of iron and aluminium have tended to accumulate (usually acidic and characteristic of humid climates)", 1920s; earliest use found in Curtis Marbut (1863–1935). From pedo- + al- + classical Latin fer- (in ferrum iron: see ferro-).
piscatoryoudaoicibaDictYouDict
"A fisherman", Mid 17th century: Latin, from piscis 'fish'.
peccableyoudaoicibaDictYouDict
"Capable of sinning", Early 17th century: from French, from medieval Latin peccabilis, from Latin peccare 'to sin'.
pouffeyoudaoicibaDictYouDict
"A cushioned footstool or low seat with no back", Late 19th century: from French pouf (see pouf2).
post-vaccinalyoudaoicibaDictYouDict
"Occurring after vaccination", Mid 19th cent..
perioticyoudaoicibaDictYouDict
"The bone forming the otic capsule of the inner ear, consisting of fused prootic, epiotic, and opisthotic bones", Mid 19th cent.; earliest use found in Philosophical Transactions of the Royal Society of London. From peri- + otic.
pygopagusyoudaoicibaDictYouDict
"A pair of conjoined twins united in the region of the buttocks (usually at the sacrum and coccyx); either of a pair of such twins", Mid 19th cent. From pygo- + -pagus, after French pygopage; compare earlier pygopage.
pulsatileyoudaoicibaDictYouDict
"Pulsating; relating to pulsation", Late Middle English: from medieval Latin pulsatilis (in vena pulsatilis 'artery'), from the verb pulsare (see pulsate).
polystomeyoudaoicibaDictYouDict
"Having several mouths or mouthlike structures; polystomatous; specifically designating or relating to a monogenean trematode of the family Polystomatidae, characterized by several suckers", Mid 19th cent. From scientific Latin Polystoma from ancient Greek πολύστομος many-mouthed from πολυ- + -στόμα mouth; compare -stome. Compare French polystome.