15-letter words containing a, n, d, r, i
- old high german — High German before 1100. Abbreviation: OHG.
- oligodendroglia — Oligodendrocytes collectively.
- oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.
- omnidirectional — sending or receiving signals in all directions: an omnidirectional microphone.
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.
- orange chromide — an Asian cichlid fish, Etropus maculatus, with a brownish-orange spotted body
- orange milkweed — butterfly weed (def 1).
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- ordinary degree — a university degree without honours
- ordinary income — taxable income, as salary and wages, other than capital gains.
- ordinary rating — a rank in the Royal Navy comparable to that of a private in the army
- ordinary seaman — a seaman insufficiently skilled to be classified as an able-bodied seaman. Abbreviation: O.D., O.S., o.s.
- ordinary shares — British. a share of common stock.
- organic disease — a disease in which there is a structural alteration (opposed to functional disease).
- organized chaos — a complex situation or process that appears chaotic while having enough order to achieve progress or goals
- organized crime — illegal activities co-ordinated by groups
- organized labor — all workers who are organized in labor unions.
- 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.
- orthodontically — from an orthodontic point of view
- 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
- outward-looking — looking beyond oneself; open-minded and reaching out to other people, organizations, etc
- overdramatizing — Present participle of overdramatize.
- overentertained — entertained to excess
- overopinionated — too opinionated
- 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
- paid-in surplus — surplus paid in by purchasers of stock certificates sold at a premium.
- 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.
- paracel islands — a group of uninhabited islets and reefs in the N South China Sea, the subject of territorial claims by China and Vietnam
- parallel-veined — having closely spaced longitudinal veins, as the leaves of most monocotyledonous plants.
- pars intermedia — a small, somewhat cherry-shaped double structure attached by a stalk to the base of the brain and constituting the master endocrine gland affecting all hormonal functions in the body, consisting of an anterior region ((anterior pituitary) or (adenohypophysis)) that develops embryonically from the roof of the mouth and that secretes growth hormone, LH, FSH, ACTH, TSH, and MSH, a posterior region ((posterior pituitary) or (neurohypophysis)) that develops from the back of the forebrain and that secretes the hormones vasopressin and oxytocin, and an intermediate part (pars intermedia) derived from the anterior region but joined to the posterior region, that secretes the hormone MSH in lower vertebrates.
- partial denture — an artificial replacement of one or several of the teeth (partial denture) or all of the teeth (full denture) of either or both jaws; dental prosthesis.
- paternity order — a court order which declares a child's paternity
- peak production — the maximum production
- pedestrian mall — A pedestrian mall is the same as a pedestrian precinct.
- 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.
- penal servitude — imprisonment together with hard labor.
- 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.
- 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.
- perpendicularly — vertical; straight up and down; upright.
- 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.
- phenylhydrazine — a yellow, poisonous liquid or low-melting solid, C 6 H 8 N 2 , used in chemical analysis and organic synthesis.
- phonocardiogram — the graphic record produced by a phonocardiograph.
- piano accordion — accordion (def 1).