13-letter words containing d, i, s, p, r, o
- field sparrow — a common North American finch, Spizella pusilla, found in brushy pasturelands.
- folding press — a fall in wrestling won by folding one's opponent's legs up to his head and pressing his shoulders to the floor
- gladiatorship — the work of a gladiator
- gonadotropins — Plural form of gonadotropin.
- gradient post — a small white post beside a railway line at a point where the gradient changes having arms set at angles representing the gradients
- gran paradiso — the highest peak in the Graian Alps, in N Italy. 13,324 feet (4061 meters).
- grand passion — an intense or overwhelming attraction or love.
- hermaphrodism — the condition of being a hermaphrodite.
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- histiophoroid — of or relating to the sailfish
- hydrosulphide — a compound containing the univalent group –HS.
- hydrosulphite — hyposulfite (def 1).
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- hyperhidrosis — abnormally excessive sweating.
- hyperlordosis — Particularly severe lordosis.
- imponderables — Plural form of imponderable.
- insect powder — a powdered chemical that kills insects; insecticide
- isodimorphism — isomorphism between the forms of two dimorphous substances.
- landownership — an owner or proprietor of land.
- lepidopterans — Plural form of lepidopteran.
- lepidopterist — the branch of zoology dealing with butterflies and moths.
- lepidopterous — belonging or pertaining to the Lepidoptera, an order of insects comprising the butterflies, moths, and skippers, that in the adult state have four membranous wings more or less covered with small scales.
- lipodystrophy — A disorder characterized by abnormal or degenerative conditions of the body's adipose tissue.
- milk products — dairy produce, items made with milk
- miscomprehend — Misunderstand.
- mispronounced — Said wrongly.
- misredemption — illegal or fraudulent traffic in consumer product coupons, including mail theft and counterfeiting.
- moderatorship — The position or office of a moderator.
- neuropeptides — Plural form of neuropeptide.
- nitroprusside — (inorganic chemistry) Any salt, of the hypothetical nitroprussic acid, that contains a pentacyanonitrosylferrate anion.
- nonadsorptive — Not adsorptive.
- nondescriptly — in a nondescript manner
- nondispersive — not dispersive
- nondisruptive — causing, tending to cause, or caused by disruption; disrupting: the disruptive effect of their rioting.
- nonprescribed — Not prescribed.
- onus probandi — the burden of proof.
- over-promised — a declaration that something will or will not be done, given, etc., by one: unkept political promises.
- overimpressed — very impressed
- paedomorphism — the continuation of juvenile characteristics in the adult stage
- painted horse — paint (def 6).
- paradise lost — an epic poem (1667) by John Milton.
- parasitoidism — the feeding by certain insect larvae on host tissues such that the host remains alive until larval development is complete and then usually dies.
- patriot's day — the third Monday in April, a legal holiday in Me. and Mass. commemorating the battles of Lexington and Concord (April 19, 1775)
- patriots' day — the anniversary of the battles of Lexington and Concord (1775), celebrated the third Monday in April: a legal holiday in Massachusetts and Maine.
- periodicalist — a writer of articles for periodicals
- periodontitis — inflammation of the periodontium caused by bacteria that infect the roots of teeth and the surrounding gum crevices, producing bleeding, pus formation, and gradual loss of bone and the tissues that support the teeth. Compare pyorrhea (def 2).
- periodontosis — rapidly advancing juvenile periodontitis.
- perissodactyl — having an uneven number of toes or digits on each foot.
- plasmodiocarp — a fruiting body of certain myxomycetes.
- polished rice — white rice polished or buffed by leather-covered cylinders during processing.