12-letter words containing p, a, c, t
- 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.
- optical grep — vgrep
- optical path — the path of light through a medium, having a magnitude equal to the geometric distance through the system times the index of refraction of the medium.
- 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
- optometrical — the practice or profession of examining the eyes, by means of suitable instruments or appliances, for defects in vision and eye disorders in order to prescribe corrective lenses or other appropriate treatment.
- organoleptic — perceived by a sense organ.
- organotropic — designating or of a substance or virus that travels predominantly to a specific organ
- orthographic — of or relating to orthography.
- 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.
- orthopedical — (American spelling) Alternative form of orthopaedical.
- osteoplastic — Surgery. pertaining to osteoplasty.
- out of place — a particular portion of space, whether of definite or indefinite extent.
- outplacement — counseling and assistance in finding a new job, provided by a company for an employee who has been or is about to be dismissed.
- overcapacity — capacity beyond what is normal, allowed, or desirable.
- overemphatic — excessive or undue emphasis.
- pacific time — the civil time officially adopted for a country or region, usually the civil time of some specific meridian lying within the region. The standard time zones in the U.S. (Atlantic time, Eastern time, Central time, Mountain time, Pacific time, Yukon time, Alaska-Hawaii time, and Bering time) use the civil times of the 60th, 75th, 90th, 105th, 120th, 135th, 150th, and 165th meridians respectively, the difference of time between one zone and the next being exactly one hour.
- pacification — to pacify.
- package tour — a planned tour in which one fee is charged for all expenses: offering package tours of the chateau country.
- packed tower — A packed tower is a tall distillation vessel which uses packing.
- packet radio — (communications, radio) The use of packet switched communications protocols in large networks (i.e not wireless LANs or Bluetooth) having wireless links to terminals at least. Packet radio is split into amateur packet radio (AX25) and General Packet Radio Service (GRPS).
- paedodontics — the branch of dentistry that focuses on the care of children's teeth
- pain control — methods for the relief and management of pain
- palaeolithic — the period of the emergence of primitive man and the manufacture of unpolished chipped stone tools, about 2.5 million to 3 million years ago until about 12 000 bc
- paleoclimate — the climate of some former period of geologic time.
- palification — the act of fortifying something with stakes
- palimpsestic — a parchment or the like from which writing has been partially or completely erased to make room for another text.
- pallet truck — a powered truck with a mast, sometimes telescopic, on which slides a carriage which can be raised and lowered hydraulically. The carriage has extended forks which can be passed under a palletized load for stacking or moving to a new position
- palo cortado — a rich, dry sherry
- panchromatic — sensitive to all visible colors, as a photographic film.
- pancreatitis — inflammation of the pancreas.
- pancytopenia — an abnormally low level of all blood cells
- panel doctor — a doctor within a given area available for consultation by patients insured under the National Health Insurance Scheme
- panic attack — an intense attack of anxiety characterized by feelings of impending doom and trembling, sweating, pounding heart, and other physical symptoms.
- panic button — an alarm button for use in an emergency, as to summon help.
- panification — the making of bread
- panspermatic — relating to panspermia
- pantechnicon — a furniture van; moving van.
- pantisocracy — a community, social group, etc, in which all have rule and everyone is equal
- paper cutter — any device for cutting or trimming paper, typically a weighted, powered, or spring-hinged blade mounted on or over a ruled board or table on which many sheets of paper may be aligned for cutting at one time.
- paper-cutter — any device for cutting or trimming paper, typically a weighted, powered, or spring-hinged blade mounted on or over a ruled board or table on which many sheets of paper may be aligned for cutting at one time.
- papistically — in the manner of the Roman Catholic Church or a Roman Catholic
- paracenteses — puncture of the wall of a cavity to drain off fluid.
- paracentesis — puncture of the wall of a cavity to drain off fluid.
- paracystitis — inflammation of the connective tissue around the urinary bladder.
- paradigmatic — of or relating to a paradigm.
- paraesthetic — paresthesia.
- paralation c — Paralation embedded in C. Under development.
- paramagnetic — a body or substance that, placed in a magnetic field, possesses magnetization in direct proportion to the field strength; a substance in which the magnetic moments of the atoms are not aligned.
- paraphrastic — having the nature of a paraphrase.