18-letter words containing h, i, g, o, p
- knights of pythias — a fraternal order founded in Washington, D.C., in 1864.
- lithostratigraphic — Of or pertaining to lithostratigraphy.
- logarithmic spiral — log r = aθ
- mergui archipelago — a group of over 200 islands in the Andaman Sea, off the Tenasserim coast of S Myanmar: mountainous and forested
- moccasin telegraph — the transmission of rumour or secret information; the grapevine
- monographic series — a series of monographs issued in uniform style or format and related by subject or by issuing agency.
- monophthongization — to change into or pronounce as a monophthong.
- neo-pythagoreanism — a philosophical system, established in Alexandria and Rome in the second century b.c., consisting mainly of revived Pythagorean doctrines with elements of Platonism and Stoicism.
- neurophysiological — the branch of physiology dealing with the functions of the nervous system.
- neuropsychological — Of or pertaining to neuropsychology, the relation or combination of brain and mind.
- neutrosophic logic — (logic) (Or "Smarandache logic") A generalisation of fuzzy logic based on Neutrosophy. A proposition is t true, i indeterminate, and f false, where t, i, and f are real values from the ranges T, I, F, with no restriction on T, I, F, or the sum n=t+i+f. Neutrosophic logic thus generalises: - intuitionistic logic, which supports incomplete theories (for 0
- nonpharmacological — Not pharmacological.
- north polar region — the region of land and water surrounding the North Pole.
- not a pretty sight — If you say that someone or something is not a pretty sight, you mean that it is not pleasant to look at.
- offset lithography — offset (def 6).
- ophthalmologically — In an ophthalmological manner.
- optical brightener — an additive that dyes and brightens fabric or paper
- orthopedic surgery — corrective operation on bones or joints
- oscillographically — By means of oscillography.
- palmer archipelago — a group of islands in the South Atlantic Ocean, off the NW coast of the Antarctic Peninsula.
- parathyroid glands — any of several small oval glands usually lying near or embedded in the thyroid gland.
- pathologic anatomy — the branch of pathology dealing with the morphologic changes in tissues.
- perish the thought — to die or be destroyed through violence, privation, etc.: to perish in an earthquake.
- phantasmagorically — having a fantastic or deceptive appearance, as something in a dream or created by the imagination.
- photochemical smog — air pollution containing ozone and other reactive chemical compounds formed by the action of sunlight on nitrogen oxides and hydrocarbons, especially those in automobile exhaust.
- photomorphogenesis — plant development that is controlled by light.
- physical geography — the branch of geography concerned with natural features and phenomena of the earth's surface, as landforms, drainage features, climates, soils, and vegetation.
- phytohemagglutinin — a lectin, obtained from the red kidney bean, that binds to the membranes of T cells and stimulates metabolic activity, cell division, etc.
- pigmy hippopotamus — a related but smaller animal, Choeropsis liberiensis
- plains grasshopper — a large, destructive short-horned grasshopper, Brachystola magna, of the western U.S., marked by pinkish hind wings.
- plight one's troth — to make a promise of marriage
- positively charged — having a positive charge
- prerelease showing — a showing of a film before it goes on general release
- process scheduling — multitasking
- propaganda machine — the group of people, publications, etc, such as of a government, country etc, responsible for the organized dissemination of information, allegations, etc, to assist or damage the cause of a government, movement, etc
- proprietary rights — rights of ownership
- psychopathological — the science or study of mental disorders.
- psychosociological — psychological and sociological
- psychotechnologist — a specialist in psychotechnology
- publishing company — a firm which publishes books
- purchasing officer — the member of staff in an organization who is responsible for buying goods or products
- pygmy hippopotamus — a small hippopotamus, Choeropsis liberiensis, of forests and swamps in western Africa.
- self-comprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- shape-note singing — a traditional style of a capella singing using shape-note notation.
- shipping container — a large, strong container, usually of metal, used to store goods in during shipment
- shipping documents — documents relating to the sending of a shipment of goods, for example containing details of contents, weight, value etc.
- shotgun microphone — a directional microphone with a narrow-angle range of sensitivity.
- shunting operation — an operation in which rail coaches are manoeuvred
- sling psychrometer — a psychrometer so designed that the wet-bulb thermometer can be ventilated, to expedite evaporation, by whirling in the air.
- slip of the tongue — If you describe something you said as a slip of the tongue, you mean that you said it by mistake.