12-letter words containing i, s, o, p, d
- jeopardising — Present participle of jeopardise.
- kaleidoscope — an optical instrument in which bits of glass, held loosely at the end of a rotating tube, are shown in continually changing symmetrical forms by reflection in two or more mirrors set at angles to each other.
- lap dissolve — dissolve (def 17).
- lapidicolous — living under stones
- lepidosirens — Plural form of lepidosiren.
- leukopedesis — an outward flow of white blood cells through a blood-vessel wall.
- ligniperdous — (of insects) wood-destroying
- lithopedions — Plural form of lithopedion.
- loose-lipped — tending toward indiscriminate and uninhibited talk.
- lopsidedness — heavier, larger, or more developed on one side than on the other; unevenly balanced; unsymmetrical.
- low-spirited — depressed; dejected: He is feeling rather low-spirited today.
- madreporites — Plural form of madreporite.
- magnoliopsid — (botany) a member of the class Magnoliopsida. Circumscription of this class will vary with the taxonomic system being used.
- media person — a person who works in the mass media
- mediatorship — the position of a mediator
- mesoappendix — the mesentery of the vermiform appendix.
- money spider — any of certain small shiny brownish spiders of the family Linyphiidae
- monodisperse — (of a colloid) Having particles of (approximately) the same size.
- mucopeptides — Plural form of mucopeptide.
- needlepoints — Plural form of needlepoint.
- nondescripts — Plural form of nondescript.
- nucleocapsid — the nucleic acid core and surrounding capsid of a virus; the basic viral structure.
- octapeptides — Plural form of octapeptide.
- oil deposits — reserves of petroleum found underground (or under the sea)
- oilseed rape — Oilseed rape is a plant with yellow flowers which is grown as a crop. Its seeds are crushed to make cooking oil.
- old prussian — a Baltic language extinct since the 17th century. Abbreviation: OPruss.
- on shipboard — on board a ship
- onion-shaped — bulb-shaped; shaped like an onion
- opisthodomos — Also called posticum. a small room in the cella of a classical temple, as for a treasury.
- optical disc — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- optical disk — Also, optical disc. Also called laser disk. a grooveless disk on which digital data, as text, music, or pictures, is stored as tiny pits in the surface and is read or replayed by a laser beam scanning the surface.
- orthopaedics — (used with a singular verb) the medical specialty concerned with correction of deformities or functional impairments of the skeletal system, especially the extremities and the spine, and associated structures, as muscles and ligaments.
- orthopaedist — Alternative spelling of orthopedist.
- outside loop — a loop during which the back of the airplane is on the outer side of the curve described by the course of flight.
- outspreading — Present participle of outspread.
- overlordship — a person who is lord over another or over other lords: to obey the will of one's sovereign and overlord.
- overspending — the act or an instance of spending in excess of one's desires or what one can afford or is allocated
- paedobaptism — the baptism of infants
- paedobaptist — a person who baptizes infants
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- paedogenesis — sexual reproduction in an animal that retains its larval features
- palindromist — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- paludicolous — inhabiting marshland
- parasphenoid — a bone next to the sphenoid bone in the skull of some animals
- pas d'action — a dramatic, pantomimic dance sequence serving to advance the plot.
- pas de trois — a dance for three dancers.
- peau de soie — a soft, satin-weave cloth of silk or rayon, grainy and having a dull luster, used to make dresses, coats, trimmings, etc.
- peccadilloes — a very minor or slight sin or offense; a trifling fault.
- pedomorphism — a speeding up of the rate of development, resulting in an adult form that has the appearance of its larval or juvenile ancestor.
- pension fund — a fund created and maintained, as by a corporation, to provide benefits under a pension plan.