13-letter words containing e, l, d, r, s
- off-side rule — A lexical convention due to Landin, allowing the scope of declarations in a program to be expressed by indentation. Any non-whitespace token to the left of the first such token on the previous line is taken to be the start of a new declaration. Used in, for example, Miranda and Haskell.
- officeholders — Plural form of officeholder.
- old ironsides — the U.S. frigate Constitution (used as a nickname).
- old northwest — a territory of Canada lying N of 60 degrees N and extending E from the Yukon Territory to Nunavut. 519,732 sq. mi. (1,346,106 sq. km) Capital: Yellowknife.
- ordinal scale — a scale on which data is shown simply in order of magnitude since there is no standard of measurement of differences: for instance, a squash ladder is an ordinal scale since one can say only that one person is better than another, but not by how much
- orsellic acid — an acid found in lichens
- otherworldish — characterized by otherworldliness
- overcredulous — willing to believe or trust too readily, especially without proper or adequate evidence; gullible.
- pandora shell — any marine bivalve of the genus Pandora, having a scimitar-shaped shell with a pronounced ridge along the hinge.
- paper-shelled — having a thin, easily broken shell: paper-shelled nuts.
- paradise lost — an epic poem (1667) by John Milton.
- pedal pushers — women's short trousers
- periodicalist — a writer of articles for periodicals
- perissodactyl — having an uneven number of toes or digits on each foot.
- perplexedness — the quality or state of being perplexed
- pleasure dome — a large building, facility, or place used for recreation.
- polished rice — white rice polished or buffed by leather-covered cylinders during processing.
- pre-disclosed — to make known; reveal or uncover: to disclose a secret.
- preadolescent — of or relating to preadolescence or a preadolescent.
- preindustrial — of, pertaining to, of the nature of, or resulting from industry: industrial production; industrial waste.
- pressed glass — molded glass that has been shaped or given its pattern, while molten, by the action of a plunger thrust into the mold.
- presterilized — to destroy microorganisms in or on, usually by bringing to a high temperature with steam, dry heat, or boiling liquid.
- promised land — Heaven.
- prudentialism — a regard for prudential, rather than moral, considerations
- prudentialist — a person who acts prudentially
- pseudo-colour — an artificial colour
- quadragesimal — of, relating to, or suitable for Lent; Lenten.
- quadriplegics — Plural form of quadriplegic.
- quaker-ladies — bluet (def 1).
- quasi-federal — pertaining to or of the nature of a union of states under a central government distinct from the individual governments of the separate states, as in federal government; federal system.
- radiationless — not emitting or producing radiation
- radio silence — the absence, usually deliberately maintained, of radio transmissions
- ragged school — (in Britain, formerly) a free elementary school for poor children
- random sample — a statistical sample that is devised to avoid interference so that its distribution is affected only by, and so can be held to represent, that of the whole population
- rayleigh disc — a small light disc suspended in the path of a sound wave, used to measure the intensity of the sound by analysing the resulting deflection of the disc
- rayleigh disk — a small circular disk, usually of mica, that is suspended from a fiber and tends to be deflected at right angles to a stream of air, indicating by its deflection the intensity of a sound wave.
- read a lesson — to censure or reprimand, esp in a long-winded manner
- reading glass — a magnifying glass that people use to enlarge text to make it easier to read
- reality-based — (especially of television) portraying or alleging to portray events as they actually happened.
- reconsolidate — to bring together (separate parts) into a single or unified whole; unite; combine: They consolidated their three companies.
- record sleeve — the outer covering of a phonograph record
- red corpuscle — a red blood cell.
- red delicious — a deep-red type of Delicious apple.
- redissolution — the act of redissolving
- reducibleness — the extent, state or quality of being reducible
- reestablished — to found, institute, build, or bring into being on a firm or stable basis: to establish a university; to establish a medical practice.
- regardless of — in spite of
- released time — time or a period allotted to a teacher apart from normal duties for a special activity, as personal research.
- reserved list — a list of retired naval, army, or air-force officers available for recall to active service in an emergency
- residentially — of or relating to residence or to residences: a residential requirement for a doctorate.