15-letter words containing i, d, o, r, h
- orange chromide — an Asian cichlid fish, Etropus maculatus, with a brownish-orange spotted body
- ordinary shares — British. a share of common stock.
- organized chaos — a complex situation or process that appears chaotic while having enough order to achieve progress or goals
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orphaned i-node — (operating system) /or'f*nd i:'nohd/ [Unix] 1. A file that retains storage but no longer appears in the directories of a file system.
- ortho-toluidine — Chemistry. a light-yellow, very slightly water-soluble liquid, C 7 H 9 N, the ortho isomer of toluidine: used in the manufacture of dyes, saccharin, and other organic compounds, and in textile printing processes.
- orthoboric acid — boric acid (def 1). Compare ortho- (def 2).
- orthodontically — from an orthodontic point of view
- orthopaedic bed — a specially firm bed designed to help correct or ameliorate the discomfort of disorders of the spine and joints
- orthopaedically — in an orthopaedic manner
- osteochondritis — inflammation of bone and cartilage.
- osteochondrosis — a disease of bone and cartilage growth centers in children that begins as a necrosis and is followed by regeneration or renewed calcification.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.
- oyster toadfish — See under toadfish (def 1).
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- perchloric acid — a colorless, syrupy hygroscopic liquid, HClO 4 , an acid of chlorine containing one more oxygen atom than chloric acid: used chiefly as a reagent in analytical chemistry.
- phenazopyridine — a substance, C 1 1 H 1 2 ClN 5 , used as a lower urinary tract analgesic.
- phonocardiogram — the graphic record produced by a phonocardiograph.
- phosphoric acid — any of three acids, orthophosphoric acid, H 3 PO 4 , metaphosphoric acid, HPO 3 , or pyrophosphoric acid, H 4 P 2 O 7 , derived from phosphorus pentoxide, P 2 O 5 , and various amounts of water.
- photoproduction — the light-induced production of a species of molecule such as a radical or ion
- polish corridor — a strip of land near the mouth of the Vistula River: formerly separated Germany from East Prussia; given to Poland in the Treaty of Versailles 1919 to provide it with access to the Baltic.
- polychlorinated — having multiple chlorine atoms
- posthole digger — a tool or device for digging a posthole.
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- propylhexedrine — a colorless, adrenergic, water-soluble liquid, C 1 0 H 2 N, used by inhalation as a nasal decongestant.
- protonephridium — a tubular, excretory structure in certain invertebrates, as flatworms, rotifers, and some larvae, usually ending internally in flame cells and having an external pore
- pseudepigraphon — any book of the Pseudepigrapha
- pseudoarthrosis — a joint formed by fibrous tissue bridging the gap between the two fragments of bone of an old fracture that have not united
- pseudoephedrine — a dextrorotatory, isomeric compound, C 1 0 H 1 5 NO, used as a nasal decongestant.
- pseudonephritis — a condition, thought to be benign, in which microscopic amounts of blood and protein are present in the urine, occurring commonly among athletes after strenuous exercise.
- pulchritudinous — physically beautiful; comely.
- radio telephone — A radio telephone is a telephone which carries sound by sending radio signals rather than by using wires. Radio telephones are often used in cars.
- radio-telephone — a telephone in which sound or speech is transmitted by means of radio waves instead of through wires or cables.
- radioautography — autoradiography.
- radiochemically — by radiochemical means or methods; from a radiochemical perspective
- radiophosphorus — phosphorus 32.
- radiophotograph — a photograph or other image transmitted by radio.
- radiotechnology — the technical application of any form of radiation to industry.
- radiotelegraphy — the constructing or operating of radiotelegraphs.
- ramrod straight — having a very straight figure
- red riding hood — fairytale character
- rhodesian front — the governing party in Zimbabwe (then called Rhodesia) 1962–78
- right-hand buoy — a distinctive buoy marking the side of a channel regarded as the right, or starboard, side.
- round the twist — mad; eccentric
- round whitefish — a whitefish, Prosopium cylindraceum, found in northern North America and Siberia, having silvery sides and a dark bronze back.
- rowland heights — a city in SW California, near Los Angeles.
- sandwich course — A sandwich course is an educational course in which you have periods of study between periods of being at work.
- school district — A school district is an area which includes all the schools that are situated within that area and are governed by a particular authority.
- schooner-rigged — rigged as a schooner, especially with gaff sails and staysails only.
- self-authorized — given or endowed with authority: an authorized agent.