16-letter words containing a, g, h, o
- on the downgrade — waning in importance, popularity, health, etc
- on the same page — one side of a leaf of something printed or written, as a book, manuscript, or letter.
- ophthalmological — Pertaining to ophthalmology.
- ophthalmologists — Plural form of ophthalmologist.
- organophosphates — Plural form of organophosphate.
- organophosphorus — Denoting synthetic organic compounds containing phosphorus, especially pesticides and nerve gases of this kind.
- ornithologically — In terms of ornithology.
- orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
- orthographically — In an orthographical manner; using proper spelling, capitalization and grammar.
- osteoarchaeology — the branch of archaeology that deals with the study of bones found at archaeological sites
- out like a light — If someone goes out like a light, they fall asleep or become unconscious very quickly or immediately.
- oxycalcium light — calcium light.
- part way through — mid-way; before the end
- patched-together — makeshift; roughly made from disparate elements
- personal hygiene — bodily cleanliness
- phagocytic index — the average number of bacteria ingested per phagocyte in an incubated mixture of bacteria, phagocytes, and blood serum: used in determining the opsonic index.
- phantasmagorical — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- pharmacogenetics — the branch of pharmacology that examines the relation of genetic factors to variations in response to drugs.
- pharmacogenomics — the study of human genetic variability in relation to drug action and its application to medical treatment
- phenomenological — the study of phenomena.
- phonocardiograph — an instrument for graphically recording the sound of the heartbeat.
- phosphor fatigue — screen saver
- photochronograph — a device formerly used for taking a series of instantaneous photographs of a rapidly moving object.
- photocoagulation — a surgical technique using an intense beam of light from a laser or a xenon-arc bulb to seal blood vessels or coagulate tissue, used primarily in ophthalmology to repair detached retinas or to treat certain kinds of retinopathy.
- photograph album — bound book for photos
- photolithography — the technique or art of making photolithographs.
- photozincography — a type of photoengraving using a sensitized zinc plate.
- phylogenetically — the development or evolution of a particular group of organisms.
- physiognomically — the face or countenance, especially when considered as an index to the character: a fierce physiognomy.
- pitch-cone angle — (in a bevel gear) the apex angle of the truncated cone (pitch cone) which forms the reference surface on which the teeth of a bevel gear are cut
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- polyhedral angle — a configuration consisting of the lateral faces of a polyhedron around one of its vertices. The portion of a pyramid including one of its points is such a configuration.
- pork scratchings — small pieces of crisply cooked pork crackling, eaten cold as an appetizer with drinks
- pragmatic theory — the theory of truth that the truth of a statement consists in its practical consequences, especially in its agreement with subsequent experience.
- prognostic chart — a chart showing the predicted state of the atmosphere for a given time in the future.
- psychobiological — the use of biological methods to study normal and abnormal emotional and cognitive processes, as the anatomical basis of memory or neurochemical abnormalities in schizophrenia.
- psychogeriatrics — the psychology of old age.
- purchasing power — Also called buying power. the ability to purchase goods and services.
- radio-phonograph — a radio and phonograph combined in one unit and sharing some components, as the amplifier and speaker(s)
- radiographically — the production of radiographs.
- rancho cucamonga — a city in SE California.
- rate of exchange — exchange rate.
- re-chromatograph — to separate and analyse (a mixture of liquids or gases) by means of chromatography a second or further time
- rhinolaryngology — the branch of medicine dealing with diseases of the nose and larynx
- rhinopharyngitis — inflammation of the mucous membranes of the nose and pharynx.
- riau archipelago — a group of islands belonging to Indonesia, off the SE coast of the Malay Peninsula, at the entrance to the Strait of Malacca. 36,510 sq. mi. (94,561 sq. km).
- right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
- right honourable — (in Britain and certain Commonwealth countries) a title of respect for a Privy Councillor or an appeal-court judge
- roentgenotherapy — treatment of disease by means of x-rays.
- rough and tumble — characterized by violent, random, disorderly action and struggles: a rough-and-tumble fight; He led an adventuresome, rough-and-tumble life.