15-letter words containing r, o, i, d
- 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.
- outline drawing — a drawing consisting only of external lines
- outside caliper — a caliper whose legs turn inward so that it can measure outside dimensions, as the diameter of a rod.
- outside forward — one of two attacking players who usually play on the far side of the field; wing.
- outward-looking — looking beyond oneself; open-minded and reaching out to other people, organizations, etc
- over-advertised — to announce or praise (a product, service, etc.) in some public medium of communication in order to induce people to buy or use it: to advertise a new brand of toothpaste.
- over-confidence — too confident.
- over-cultivated — to prepare and work on (land) in order to raise crops; till.
- over-distention — the act of distending or the state of being distended.
- over-engineered — unnecessarily complicated
- over-privileged — having too many advantages or opportunities compared to others.
- over-publicized — to give publicity to; bring to public notice; advertise: They publicized the meeting as best they could.
- overcapitalized — Simple past tense and past participle of overcapitalize.
- overconfidently — In an overconfident manner.
- overdraft limit — a limit on the amount of money allowed to be withdrawn in excess of the credit balance of a bank or building society account
- overdramatizing — Present participle of overdramatize.
- overentertained — entertained to excess
- overexpenditure — the act of expending something, especially funds; disbursement; consumption.
- overopinionated — too opinionated
- oxygen cylinder — a metal cylinder containing oxygen under pressure
- oyster toadfish — See under toadfish (def 1).
- pacific madrone — any of several evergreen trees belonging to the genus Arbutus, of the heath family, especially A. menziesii (Pacific madrone) of western North America, having red, flaky bark and bearing edible reddish berries.
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- pair production — Physics. the simultaneous creation of a particle and its antiparticle by a nucleus or particle in an excited state, as when a photon is absorbed.
- palindromically — a word, line, verse, number, sentence, etc., reading the same backward as forward, as Madam, I'm Adam or Poor Dan is in a droop.
- panzer division — an armored division of the German army, especially in World War II, consisting chiefly of tanks and organized for making rapid attacks.
- paradise flower — a prickly vine, Solanum wendlandii, of the nightshade family, native to Costa Rica, having branched clusters of showy lilac-blue flowers.
- parallelopipeda — plural of parallelopipedon
- partial product — the result obtained when a number is multiplied by one digit of a multiplier
- paternity order — a court order which declares a child's paternity
- peak production — the maximum production
- pectoral girdle — (in vertebrates) a bony or cartilaginous arch supporting the forelimbs.
- pelargonic acid — a colorless, oily, water-immiscible liquid, C 9 H 1 8 O 2 , occurring as an ester in a volatile oil in species of pelargonium: used chiefly in organic synthesis and in the manufacture of lacquers and plastics.
- penetration aid — a device or tactic, as the use of chaff or decoys or the maintaining of a low flight level, that helps an aircraft or missile to enter hostile air space.
- 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.
- period-rotation — a rather large interval of time that is meaningful in the life of a person, in history, etc., because of its particular characteristics: a period of illness; a period of great profitability for a company; a period of social unrest in Germany.
- periodic motion — any motion that recurs in identical forms at equal intervals of time.
- periodic system — a system of classification of the elements based on the periodic law.
- peroxide blonde — You can refer to a woman whose hair has been artificially been made lighter in colour as a peroxide blonde, especially when you want to show that you disapprove of this, or that you think her hair looks unnatural or unattractive.
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- 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
- piano accordion — accordion (def 1).
- piano reduction — a musical score having the parts condensed or simplified in two staves, to render the music playable on the piano by one person.
- piero di cosimo — Piero di [pee-air-oh di;; Italian pye-raw dee] /piˈɛər oʊ dɪ;; Italian ˈpyɛ rɔ di/ (Show IPA), Piero di Cosimo.