14-letter words containing h, o, p
- peritrichously — in a peritrichous manner; in a fashion characteristic of a peritrichous organism
- permanent echo — a radar signal reflected to a radar station on the ground by a building or other fixed object.
- personal chair — a professorship awarded in recognition of academic achievement
- petrochemicals — substances, such as acetone or ethanol, obtained from petroleum or natural gas
- petrochemistry — the branch of chemistry dealing with petroleum or its products.
- petrophysicist — a person who studies, or is an expert in, petrophysics
- petworth house — a mansion in Petworth in Sussex: rebuilt (1688–96) for Charles Seymour, 6th Duke of Somerset; gardens laid out by Capability Brown; subject of paintings by Turner
- phallic symbol — any object, as a cigar or skyscraper, that may broadly resemble or represent the penis, especially such an object that symbolizes power, as an automobile.
- phallocentrism — a doctrine or belief centered on the phallus, especially a belief in the superiority of the male sex.
- phantasmagoria — a shifting series of phantasms, illusions, or deceptive appearances, as in a dream or as created by the imagination.
- phantasmagoric — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacologist — the science dealing with the preparation, uses, and especially the effects of drugs.
- pharmacopoeial — a book published usually under the jurisdiction of the government and containing a list of drugs, their formulas, methods for making medicinal preparations, requirements and tests for their strength and purity, and other related information.
- pharmacopoeian — an individual who has expert knowledge of a pharmacopoeia
- pharmacopolist — a person who sells pharmaceutical products
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- phenobarbitone — a white, crystalline powder, C 1 2 H 1 2 N 2 O 3 , used as a sedative, a hypnotic, and as an antispasmodic in epilepsy.
- phenolic resin — any of the class of thermosetting resins formed by the condensation of phenol, or of a phenol derivative, with an aldehyde, especially formaldehyde: used chiefly in the manufacture of paints and plastics and as adhesives for sandpaper and plywood.
- phenologically — in a phenological manner
- phenosafranine — safranine (def 2).
- phenotypically — the observable constitution of an organism.
- phenylbutazone — a potent substance, C 1 9 H 2 0 N 2 O 2 , used to reduce pain and inflammation in rheumatic diseases and gout, and used in veterinary medicine for musculoskeletal disorders.
- phenylcarbinol — benzyl alcohol.
- phenylthiourea — a crystalline, slightly water-soluble solid, C 6 H 5 NHCSNH 2 , that is either tasteless or bitter, depending upon the heredity of the taster, and is used in medical genetics and as a diagnostic.
- phi-phenomenon — motion perceived by a subject, especially the illusion of movement produced when stationary stimuli, as pictures or lights, are presented in rapid succession and are sometimes in slightly different positions.
- philanthropist — a person who practices philanthropy.
- philanthropize — to treat (persons) in a philanthropic manner.
- philanthropoid — an individual who does work for a charitable body
- philosophaster — a person who has only a superficial knowledge of philosophy or who feigns a knowledge he or she does not possess.
- philosopheress — a philosopher who is a woman
- philosophising — to speculate or theorize, usually in a superficial or imprecise manner.
- philosophistic — relating to a person who affects philosophical knowledge or to an affectation to philosophical knowledge or the action or enjoyment of carrying this out
- philosophizing — to speculate or theorize, usually in a superficial or imprecise manner.
- phloroglucinol — a white to yellow, crystalline, slightly water-soluble powder, C 6 H 3 (OH) 3 ⋅2H 2 O, used chiefly in analytical chemistry and in the preparation of pharmaceuticals.
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phonoreception — the physiological perception of sound.
- phosphate rock — phosphorite.
- phosphoprotein — a protein, as casein or ovalbumin, in which one or more hydroxyl groups of serine, threonine, or tyrosine are hydroxylated.
- phosphorescent — exhibiting phosphorescence.
- phosphorolysis — any reaction where chemical bonds are broken down by phosphoric acid or phosphate
- phosphorolytic — of or relating to phosphorolysis
- phosphoroscope — an instrument for measuring the duration of evanescent phosphorescence in different substances.
- photoautotroph — any organism that derives its energy for food synthesis from light and is capable of using carbon dioxide as its principal source of carbon.
- photocatalysis — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photocatalytic — the acceleration or retardation of the reaction rate in chemical reactions by light.
- photochemistry — the branch of chemistry that deals with the chemical action of light.
- photoduplicate — photocopy.
- photoelectrode — an electrode that, following the absorption of light, can initialize electrochemical transformations
- photoengraving — a photographic process of preparing printing plates for letterpress printing.
- photofinishing — the act or occupation of developing films, printing photographs, etc.