15-letter words containing d, r, a, l, o, n
- old-man's-beard — fringe tree.
- oldenbarneveldt — Johan van. 1547–1619, Dutch statesman, regarded as a founder of Dutch independence; the leading figure (from 1586) in the United Provinces of the Netherlands: executed by Maurice of Nassau
- 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 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).
- organized labor — all workers who are organized in labor unions.
- ornithodelphian — of or relating to mammals of the class Ornithodelphia
- orthodontically — from an orthodontic point of view
- outline drawing — a drawing consisting only of external lines
- outward-looking — looking beyond oneself; open-minded and reaching out to other people, organizations, etc
- paedophile ring — a group of people who take part in illegal sexual activity involving children
- 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.
- 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.
- personal friend — a person who is a friend, rather than a colleague or acquaintance
- polychlorinated — having multiple chlorine atoms
- polyunsaturated — of or noting a class of animal or vegetable fats, especially plant oils, whose molecules consist of carbon chains with many double bonds unsaturated by hydrogen atoms and that are associated with a low cholesterol content of the blood.
- portland cement — a type of hydraulic cement usually made by burning a mixture of limestone and clay in a kiln.
- post-industrial — of, relating to, or characteristic of an era following industrialization: The economy of the postindustrial society is based on the provision of services rather than on the manufacture of goods.
- privately owned — owned by a private individual or organization, rather than by the state or a public body
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- profoundly deaf — unable to hear any sound below 95 decibels in one's better ear
- proletarianized — to convert or transform into a member or members of the proletariat: to proletarianize the middle class.
- propionaldehyde — a colorless, water-soluble liquid, C 3 H 6 O, having a pungent odor: used chiefly in the manufacture of plastics.
- quadruplication — one of four copies or identical items, especially copies of typewritten material.
- 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.
- radioimmunology — the study of biological substances or processes with the aid of antigens or antibodies labeled with a radioactive isotope.
- radiotechnology — the technical application of any form of radiation to industry.
- random sampling — a method of selecting a sample (random sample) from a statistical population in such a way that every possible sample that could be selected has a predetermined probability of being selected.
- random variable — a quantity that takes any of a set of values with specified probabilities.
- read oneself in — to assume possession of a benefice by publicly reading the Thirty-nine Articles
- reconsolidation — an act or instance of consolidating; the state of being consolidated; unification: consolidation of companies.
- recording angel — an angel who supposedly keeps a record of every person's good and bad acts
- red sandal wood — the fragrant heartwood of any of certain Asian trees of the genus Santalum, used for ornamental carving and burned as incense.
- relational dbms — relational database
- residual income — the remaining income (of a business or person) after necessary debts, expenses, etc, have been paid
- ricinoleic acid — a colorless to yellow, viscous, liquid, water-insoluble, unsaturated hydroxyl acid, C 1 8 H 3 4 O 3 , occurring in castor oil in the form of the glyceride: used chiefly in soaps and textile finishing.
- rolling meadows — a city in NE Illinois, near Chicago.
- romblon islands — a group of islands of the Philippines in the Sibuyan Sea and Tablas Strait, part of the Visayan Islands.
- room-and-pillar — noting a means of extracting coal or other minerals from underground deposits by first cutting out rooms, then robbing the pillars between them; pillar-and-breast.
- rotary drilling — Rotary drilling is the use of a continuous circular motion of the drill bit to make a hole.
- roundaboutility — roundaboutness
- rowland heights — a city in SW California, near Los Angeles.
- scala cordonata — a ramp having the form of broad, slightly inclined steps.
- secondary color — a color, as orange, green, or violet, produced by mixing two primary colors.
- secondary metal — metal derived wholly or in part from scrap.