12-letter words containing s, p, o, i, l
- ophthalmitis — ophthalmia.
- opposability — capable of being placed opposite to something else: the opposable thumb of primates.
- oppositional — the action of opposing, resisting, or combating.
- oppressional — Exhibiting or relating to oppression.
- oppressively — burdensome, unjustly harsh, or tyrannical: an oppressive king; oppressive laws.
- 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.
- optimistical — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- oscillograph — a device for recording the wave-forms of changing currents, voltages, or any other quantity that can be translated into electric energy, as sound waves.
- oscilloscope — a device that gives a visual graph of amplitude versus time of a measured signal, as voltage or current.
- osteoplastic — Surgery. pertaining to osteoplasty.
- 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.
- overlordship — a person who is lord over another or over other lords: to obey the will of one's sovereign and overlord.
- oversimplify — make too simple
- pack of lies — false account
- 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
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- parasitology — the branch of biology dealing with parasites and the effects of parasitism.
- parasol pine — stone pine (def 1).
- parochialise — to make parochial.
- parochialism — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- parochialist — a parochial character, spirit, or tendency; excessive narrowness of interests or view; provincialism.
- passion play — a dramatic representation of the passion of Christ, as that given every ten years at the Bavarian village of Oberammergau.
- passionately — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- patroclinous — inheritance in which the traits of the offspring are derived primarily from the paternal parent (opposed to matrocliny).
- peccadilloes — a very minor or slight sin or offense; a trifling fault.
- pekinologist — a person who studies the People's Republic of China
- pension plan — a systematic plan created and maintained, as by a corporation, to make regular payments of benefits to retired or disabled employees, either on a contributory or a noncontributory basis.
- percussional — of or relating to percussion
- perfidiously — deliberately faithless; treacherous; deceitful: a perfidious lover.
- perniciously — causing insidious harm or ruin; ruinous; injurious; hurtful: pernicious teachings; a pernicious lie.
- personalised — to have marked with one's initials, name, or monogram: to personalize stationery.
- personalized — customized
- pestological — relating to pestology
- petaliferous — bearing or having petals.
- phalaenopsis — any of various epiphytic orchids of the genus Phalaenopsis, native to tropical Asia, having clusters of showy, variously colored flowers.
- philomelides — a king of Lesbos who wrestled and killed every opponent until he himself was defeated by Odysseus.
- philosophies — the rational investigation of the truths and principles of being, knowledge, or conduct.
- philosophise — to speculate or theorize, usually in a superficial or imprecise manner.
- philosophism — spurious or deceitful philosophy.
- philosophist — a person who affects philosophical knowledge
- philosophize — to speculate or theorize, usually in a superficial or imprecise manner.
- phlebotomist — a specialist in phlebotomy.
- phosphatidyl — an atom or group of atoms containing one or more unpaired electrons derived from a phosphatide
- phospholipid — any of a group of fatty compounds, as lecithin, composed of phosphoric esters, and occurring in living cells.
- photoelastic — displaying photoelasticity; of or relating to photoelasticity
- photophilous — of or relating to an organism, as a plant, that is receptive to, seeks, or thrives in light.
- photorealism — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.