15-letter words containing a, c, e, t, i
- pitch blackness — extreme darkness; lack of light
- pithecanthropus — a former genus of extinct hominids whose members have now been assigned to the proposed species Homo erectus.
- plain chocolate — dark eating chocolate
- plainclothesman — a police officer, especially a detective, who wears ordinary civilian clothes while on duty.
- planet-stricken — believed to be adversely affected mentally or physically by the planets
- planimetrically — in a planimetric manner
- plantaginaceous — relating to or belonging to the family Plantaginaceae
- plastic surgeon — doctor who performs cosmetic surgery
- plastic surgery — the branch of surgery dealing with the repair or replacement of malformed, injured, or lost organs or tissues of the body, chiefly by the transplant of living tissues.
- plate tectonics — a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past adjacent plates.
- platform ticket — a pass allowing a visitor to enter upon a railroad platform from which those not traveling are ordinarily excluded.
- plug compatible — of or relating to computers or peripheral devices that are functionally equivalent to, and may be substituted for, other models.
- plug-compatible — of or relating to computers or peripheral devices that are functionally equivalent to, and may be substituted for, other models.
- pneumatic drill — a percussive power drill powered by compressed air
- point d'alencon — Alençon lace (def 1).
- polychlorinated — having multiple chlorine atoms
- polycrystalline — (of a rock or metal) composed of aggregates of individual crystals.
- positive caster — a person or thing that casts.
- posse comitatus — the body of persons that a peace officer of a county is empowered to call upon for assistance in preserving the peace, making arrests, and serving writs.
- post-apoplectic — of or relating to apoplexy or stroke.
- post-collegiate — of or relating to a college: collegiate life.
- posthemorrhagic — occurring after a haemorrhage
- power macintosh — Power Mac
- practical nurse — a person who has not graduated from an accredited school of nursing but whose vocation is caring for the sick.
- pragmaticalness — the quality of being pragmatical or meddlesome
- pre-acquisition — the act of acquiring or gaining possession: the acquisition of real estate.
- pre-celebration — an act of celebrating.
- pre-romanticism — romantic spirit or tendency.
- preacquaintance — prior acquaintance with a person or with information, the state of having been preacquainted
- preagricultural — existing or occurring prior to the introduction of agriculture; of or relating to a society existing at this time
- precipitantness — the condition or quality of being precipitant, hastiness
- preconceptional — a conception or opinion formed beforehand.
- predicate logic — (logic) (Or "predicate calculus") An extension of propositional logic with separate symbols for predicates, subjects, and quantifiers. For example, where propositional logic might assign a single symbol P to the proposition "All men are mortal", predicate logic can define the predicate M(x) which asserts that the subject, x, is mortal and bind x with the universal quantifier ("For all"): All x . M(x) Higher-order predicate logic allows predicates to be the subjects of other predicates.
- premodification — an act or instance of modifying.
- prenotification — notice that is given or served prior to a specific date; advance notice.
- presynaptically — in a presynaptic manner
- preverification — the state of being verified.
- price inflation — inflation fuelled by rising prices
- primary teacher — a teacher in a primary school
- prismatic layer — the middle layer of the shell of certain mollusks, consisting chiefly of crystals of calcium carbonate.
- private company — a company whose shareholders may not exceed 50 in number and whose shares may not be offered for public subscription.
- problematically — of the nature of a problem; doubtful; uncertain; questionable.
- process heating — Process heating is heating, usually from steam, which is used to increase the temperature in a process vessel.
- processionalist — a member of a procession
- procrastinative — to defer action; delay: to procrastinate until an opportunity is lost.
- procreativeness — the quality of being procreative
- program picture — a motion picture produced on a low budget, usually shown as the second film of a double feature.
- proper fraction — a fraction having the numerator less, or lower in degree, than the denominator.
- proteolytically — by a proteolytic process
- pseudo-artistic — conforming to the standards of art; satisfying aesthetic requirements: artistic productions.