14-letter words containing o, h, i
- 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.
- 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.
- phosphoprotein — a protein, as casein or ovalbumin, in which one or more hydroxyl groups of serine, threonine, or tyrosine are hydroxylated.
- phosphorolysis — any reaction where chemical bonds are broken down by phosphoric acid or phosphate
- 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.
- phraseological — manner or style of verbal expression; characteristic language: legal phraseology.
- phthalocyanine — Also called metal-free phthalocyanine. a blue-green pigment, C 3 2 H 1 8 N 8 , derived from phthalic anhydride.