14-letter words containing t, h, y, o
- oesophagectomy — (surgery) the surgical procedure for the removal of all, or part of the oesophagus.
- oligocythaemia — a condition in which a person lacks red blood cells
- oligosynthetic — (linguistics) (of a language) using a relatively small number of morphemes which combine synthetically to form compound words.
- on the wallaby — (of a person) wandering about looking for work
- on the way out — If something or someone is on the way out or on their way out, they are likely to disappear or to be replaced very soon.
- ophthalmometry — the measurement and determination of the eye's defects and powers of refraction
- ophthalmoscopy — the use of or technique of using an ophthalmoscope.
- orthomyxovirus — Any RNA virus of Orthomyxoviridae family characterised by having two long glycoprotein spikes.
- orthopterology — the study of the Orthoptera
- osteodystrophy — (medicine) Any abnormal or defective development of a bone.
- out of the way — remote from much-traveled, frequented, or populous regions; secluded: an out-of-the-way inn up in the hills.
- out-of-the-way — remote from much-traveled, frequented, or populous regions; secluded: an out-of-the-way inn up in the hills.
- overnight stay — in hospital or hotel
- pachydermatous — of, relating to, or characteristic of pachyderms.
- palaeethnology — the study of prehistoric man
- paleontography — the formal description of fossils
- parenchymatous — Botany. the fundamental tissue of plants, composed of thin-walled cells able to divide.
- pathologically — of or relating to pathology.
- perhydrogenate — to hydrogenate as completely as possible.
- peritrichously — in a peritrichous manner; in a fashion characteristic of a peritrichous organism
- petrochemistry — the branch of chemistry dealing with petroleum or its products.
- petrophysicist — a person who studies, or is an expert in, petrophysics
- phase velocity — the velocity with which a simple harmonic wave is propagated, equal to the wavelength divided by the period of vibration.
- 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.
- 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.
- phonochemistry — the branch of chemistry concerned with the chemical effects of sound and ultrasonic waves
- 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.
- photogrammetry — the process of making surveys and maps through the use of photographs, especially aerial photographs.
- photolytically — in a photolytic manner, by photolytic means
- 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.
- phytogeography — the science dealing with the geographical relationships of plants.
- phytopathology — plant pathology.
- phytosociology — the branch of ecology dealing with the origin, composition, structure, and classification of plant communities.
- piezochemistry — the study of chemical reactions at high pressures
- platycephalous — flat-headed
- plethysmograph — a device for measuring and recording changes in the volume of the body or of a body part or organ.
- plymouth sound — an inlet of the English Channel in SW Devon, SW England
- polygraph test — a test carried out using a polygraph, esp used by the police to try to find out whether somebody is telling the truth
- polysynthesism — the synthesis of various elements.
- porphyrization — reduction to a powder, formerly done on a slab of porphyry.
- porphyrogenite — a prince born after his father has succeeded to the throne
- port authority — a government commission that manages bridges, tunnels, airports, and other such facilities of a port or city.