14-letter words containing t, h, i, o
- 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.
- 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.
- phenotypically — the observable constitution of an organism.
- 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.
- 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.
- 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
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- phonoreception — the physiological perception of sound.
- phosphoprotein — a protein, as casein or ovalbumin, in which one or more hydroxyl groups of serine, threonine, or tyrosine are hydroxylated.
- phosphorolytic — of or relating to phosphorolysis
- 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.
- photoengraving — a photographic process of preparing printing plates for letterpress printing.
- photofinishing — the act or occupation of developing films, printing photographs, etc.
- photogeologist — a person who studies or has a profession in photogeology
- photographical — of or relating to photography.
- photoinduction — the act or process of being photoinduced
- photoinductive — of, relating to, or being able to undergo photoinduction
- photoluminesce — to produce photoluminescence
- photolytically — in a photolytic manner, by photolytic means
- photooxidation — oxidation induced by light.
- photooxidative — of or relating to photooxidation
- photoperiodism — the response, as affecting growth or reproduction, of an organism to the length of exposure to light in a 24-hour period.
- photorealistic — a style of painting flourishing in the 1970s, especially in the U.S., England, and France, and depicting commonplace scenes or ordinary people, with a meticulously detailed realism, flat images, and barely discernible brushwork that suggests and often is based on or incorporates an actual photograph.
- photoreception — the physiological perception of light.
- photoreceptive — of or relating to photoreception
- photorecording — the act of making photographic records, especially of documents.
- photoreduction — a reduction reaction induced by light.
- photoresistive — photoconductive
- photosensitive — sensitive to light or similar radiation.
- photosensitize — to make (a material) photosensitive, as by the application of a photosensitive emulsion.
- photosynthesis — the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
- photosynthetic — the complex process by which carbon dioxide, water, and certain inorganic salts are converted into carbohydrates by green plants, algae, and certain bacteria, using energy from the sun and chlorophyll.
- phthalocyanine — Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.
- phyllosilicate — any silicate mineral having the tetrahedral silicate groups linked in sheets, each group containing four oxygen atoms, three of which are shared with other groups so that the ratio of silicon atoms to oxygen atoms is two to five.
- phytochemistry — the branch of biochemistry dealing with plants and plant processes.
- phytosociology — the branch of ecology dealing with the origin, composition, structure, and classification of plant communities.
- piece of eight — peso (def 4).
- piece together — a separate or limited portion or quantity of something: a piece of land; a piece of chocolate.
- piezochemistry — the study of chemical reactions at high pressures
- pigeon-chested — having a narrow chest that sticks out at the front in an unusual way
- pigeon-hearted — timid; meek.