12-letter words containing i, s, o, p
- opsonization — to increase the susceptibility of (bacteria) to ingestion by phagocytes.
- optic chiasm — a site at the base of the forebrain where the inner half of the fibers of the left and right optic nerves cross to the opposite side of the brain.
- 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.
- optimisation — Alternative spelling of optimization.
- optimistical — disposed to take a favorable view of events or conditions and to expect the most favorable outcome.
- optoacoustic — relating to the relationship between light and sound
- optogenetics — (genetics) A science that combines optics and genetics to probe neural circuits.
- optoisolator — A device that transmits a signal optically between two isolated electronic circuits.
- optometrists — Plural form of optometrist.
- oreopithecus — a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid.
- ornithopters — Plural form of ornithopter.
- ornithoscopy — divination from the observation of birds
- 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.
- orthopterist — someone who studies the Orthoptera
- orthotropism — Botany. orthotropic tendency or growth.
- 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.
- osteoporosis — a disorder in which the bones become increasingly porous, brittle, and subject to fracture, owing to loss of calcium and other mineral components, sometimes resulting in pain, decreased height, and skeletal deformities: common in older persons, primarily postmenopausal women, but also associated with long-term steroid therapy and certain endocrine disorders.
- osteoporotic — of, relating to, or caused by osteoporosis.
- outcroppings — Plural form of outcropping.
- outpouchings — Plural form of outpouching.
- 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.
- outstripping — to outdo; surpass; excel.
- over-precise — definitely or strictly stated, defined, or fixed: precise directions.
- over-promise — a declaration that something will or will not be done, given, etc., by one: unkept political promises.
- overemphasis — excessive or undue emphasis.
- overlordship — a person who is lord over another or over other lords: to obey the will of one's sovereign and overlord.
- overoptimism — a disposition or tendency to look on the more favorable side of events or conditions and to expect the most favorable outcome.
- overoptimist — someone who is too optimistic
- overripeness — the state of being too ripe
- overshipment — an act or instance of shipping freight or cargo.
- oversimplify — make too simple
- overspending — the act or an instance of spending in excess of one's desires or what one can afford or is allocated
- pacific rose — a large variety of eating apple from New Zealand, with sweet flesh
- pack of lies — false account
- packinghouse — a building where foodstuffs are packed
- 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
- palynologist — the study of live and fossil spores, pollen grains, and similar plant structures.
- panning shot — pan3 (def 6).
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- pantophagist — an omnivore