15-letter words containing h, o, p, i, r
- sulphur dioxide — a colourless soluble pungent gas produced by burning sulphur. It is both an oxidizing and a reducing agent and is used in the manufacture of sulphuric acid, the preservation of a wide range of foodstuffs (E220), bleaching, and disinfecting. Formula: SO2
- sulphurous acid — an unstable acid produced when sulphur dioxide dissolves in water: used as a preservative for food and a bleaching agent. Formula: H2SO3
- symphony writer — a composer of an extended large-scale orchestral composition, usually with several movements, at least one of which is in sonata form
- thalassographic — relating to thalassography
- the perigordian — the Perigordian culture
- the phanerozoic — the Phanerozoic era
- the prime mover — God, esp when considered as a first cause
- the proprieties — the standards of behaviour considered correct by polite society
- the proterozoic — the Proterozoic Eon or its rocks
- the riot police — the section of the police force that is trained to deal with people who cause trouble in public places
- theriomorphosis — transformation into an animal form, often associated with mythological characters
- thermoperiodism — the effect on an organism of rhythmic fluctuations in temperature.
- thraco-phrygian — a hypothetical branch of Indo-European implying a special genetic affinity between the meagerly attested Thracian and Phrygian languages.
- threshold price — the highest price a retailer is allowed to sell a particular good at
- topographic map — a map showing topographic features, usually by means of contour lines.
- trainspotterish — obsessed with trivial details, esp of a subject generally considered uninteresting
- turkish cypriot — denoting ethnically Turkish inhabitants of Cyprus
- typographically — of or relating to typography.
- uncomprehending — to understand the nature or meaning of; grasp with the mind; perceive: He did not comprehend the significance of the ambassador's remark.
- uncomprehensive — of large scope; covering or involving much; inclusive: a comprehensive study of world affairs.
- uncopyrightable — not able to be copyrighted
- unpolished rice — a partly refined rice, hulled and deprived of its germ but retaining some bran.
- vine phylloxera — a homopterous insect, Phylloxera vitifolia, typically feeding on vine juices
- weatherproofing — Present participle of weatherproof.
- white corpuscle — white blood cell.
- with respect to — as regards
- xerographically — In a xerographic way; by xerography.
- xeroradiography — an x-ray utilizing a specially coated plate that allows a picture to be developed without the use of liquid chemicals.
- xylotypographic — involving or pertaining to xylotypography
- zoogeographical — Pertaining to zoogeography.