15-letter words containing p, a, t, i, s
- occipitomastoid — (anatomy) Relating to, or connecting the occipital and mastoid bones.
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- opencast mining — mining by excavating from the surface
- opening batsman — a player who bats the first ball in cricket
- operationalised — Simple past tense and past participle of operationalise.
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- ophthalmologist — a doctor of medicine specializing in ophthalmology.
- ophthalmoscopic — Of, pertaining to or using an ophthalmoscope.
- opinionatedness — The state or condition of being opinionated.
- opisthognathous — having receding jaws.
- oppositionality — Quality of being oppositional.
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical storage — optical disk drive
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- over-capitalise — to fix the total amount of securities of a corporation in excess of the limits set by law or by sound financial policy.
- over-passionate — having, compelled by, or ruled by intense emotion or strong feeling; fervid: a passionate advocate of socialism.
- overcapitalizes — Third-person singular simple present indicative form of overcapitalize.
- overspeculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- pachymeningitis — inflammation of the dura mater of the brain and spinal cord
- packet-switched — packet switching
- packing density — a measure of the amount of data that can be held by unit length of a storage medium, such as magnetic tape
- paget's disease — Pathology. a chronic disease characterized by episodic accelerated bone resorption and growth of abnormal replacement bone, causing bone pain, deformation, fractures, and osteosarcoma; osteitis deformans.
- painter's colic — Pathology. lead poisoning causing intense intestinal pain.
- palaeomagnetism — the study of the fossil magnetism in rocks, used to determine the past configurations of the continents and to investigate the past shape and magnitude of the earth's magnetic field
- palaeomagnetist — a student of or expert in palaeomagnetism
- panophthalmitis — the inflammation of all eye tissue
- panoramic sight — an artillery sight that can be rotated horizontally in a full circle.
- pantopragmatics — universal intervention in the affairs of others
- paralation lisp — Embeds the paralation model in Common LISP. Available from MIT Press, (800)356-0343.
- paralinguistics — the study of paralanguage.
- parasiticalness — the condition or characteristic of being parasitic
- parasympathetic — pertaining to that part of the autonomic nervous system consisting of nerves and ganglia that arise from the cranial and sacral regions and function in opposition to the sympathetic system, as in inhibiting heartbeat or contracting the pupil of the eye.
- parish register — the register of the christenings, marriages, and burials in a parish.
- pars intermedia — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
- parthenogenesis — development of an egg without fertilization.
- parti québécois — (in Canada) a political party in Quebec, formed in 1968 and originally advocating the separation of Quebec from the rest of the country
- partial eclipse — astronomy
- particularistic — exclusive attention or devotion to one's own particular interests, party, etc.
- passenger train — railway train that carries people
- passport office — an office which issues passports
- past continuous — past progressive.
- past participle — a participle with past, perfect, or passive meaning, as fallen, sung, defeated; perfect participle: used in English and other languages in forming the present perfect, pluperfect, and passive and as an adjective.
- pastoralization — to make pastoral or rural.
- pathophysiology — the physiology of abnormal or diseased organisms or their parts; the functional changes associated with a disease or syndrome.
- patria potestas — the power vested in the paterfamilias or head of the Roman family with respect to his wife, natural or adopted children, and agnatic descendants: title to family property is vested exclusively in the paterfamilias. Property acquired by a family member becomes family property, and no family member can enter into a transaction in his or her own right.
- pavement artist — sidewalk artist.
- pearly nautilus — nautilus (def 1).
- pedestrian mall — A pedestrian mall is the same as a pedestrian precinct.