17-letter words containing t, s, h, a
- national seashore — an area of seacoast set aside and maintained by the U.S. government for purposes of recreation or wildlife study.
- nationalist china — China, Republic of.
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- nausea anesthesia — a loss of the sensation of nausea that is normally stimulated by noxious and disgusting substances.
- navigation lights — lights on an aircraft
- neo-malthusianism — a view or doctrine advocating population control, especially by contraception.
- neo-scholasticism — a contemporary application of Scholasticism to modern problems and life.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- nightshade family — the plant family Solanaceae, characterized by herbaceous plants, trees, shrubs, and vines having alternate, simple or pinnate leaves, conspicuous flowers, and fruit in the form of a berry or capsule, and including belladonna, eggplant, nightshade, peppers of the genus Capsicum, petunia, potato, tobacco, and tomato.
- nikita khrushchev — Nikita S(ergeyevich) [ni-kee-tuh sur-gey-uh-vich;; Russian nyi-kyee-tuh syir-gye-yuh-vyich] /nɪˈki tə sɜrˈgeɪ ə vɪtʃ;; Russian nyɪˈkyi tə syɪrˈgyɛ yə vyɪtʃ/ (Show IPA), 1894–1971, Russian political leader: premier of the U.S.S.R. 1958–64.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- nonaccomplishment — Something that does not achieve the intended goal.
- nonteaching staff — employees within an academic or vocational environment whose jobs do not involve teaching
- north lanarkshire — a council area of central Scotland: consists mainly of the NE part of the historical county of Lanarkshire; formerly (1974–96) part of Strathclyde Region: engineering and metalworking industries. Administrative centre: Motherwell. Pop: 321 820 (2003 est). Area: 1771 sq km (684 sq miles)
- northeast by east — a point on the compass 11°15′ east of northeast. Abbreviation: NEbE.
- northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
- northern rhodesia — former name of Zambia.
- northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
- northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
- nothing less than — You can use nothing less than to emphasize your next words, often indicating that something seems very surprising or important.
- nuclear chemistry — the branch of chemistry concerned with nuclear reactions
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on one's deathbed — about to die
- on the half shell — served raw, with seasonings, on a half shell
- on the heavy side — tending to be too heavy
- on the pig's back — successful; established
- one of these days — at some future time
- opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- out at the elbows — the bend or joint of the human arm between upper arm and forearm.
- out of harm's way — If someone or something is out of harm's way, they are in a safe place away from danger or from the possibility of being damaged.
- out of one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- overhead camshaft — a camshaft in an automotive engine that is located in the cylinder head over the engine block rather than in the block. Abbreviation: OHC.
- overstep the mark — If someone oversteps the mark, they behave in a way that is considered unacceptable.
- oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
- pacific northwest — the region of North America lying north of the Columbia River and west of the Rockies
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
- pashmina politics — the adoption of political policies immediately after they have gone out of fashion
- past life therapy — a form of hypnosis or meditation based on the belief that an individual's present problems are rooted in events that occurred before birth in this life
- pastoral symphony — the Symphony No. 6 in F major (1807–08) by Ludwig van Beethoven.
- pastoral theology — the branch of theology dealing with the responsibilities of members of the clergy to the people under their care.
- patriarchal cross — a Latin cross having a shorter crosspiece above the customary one.
- penalty shoot-out — In football, a penalty shoot-out is a way of deciding the result of a game that has ended in a draw. Players from each team try to score a goal in turn until one player fails to score and their team loses the game.
- perpetual spinach — a variety of spinach that keeps producing edible leaves
- personality clash — friction between two people who have different personalities or points of view
- perth and kinross — a council area of N central Scotland, corresponding mainly to the historical counties of Perthshire and Kinross-shire: part of Tayside Region from 1975 until 1996: chiefly mountainous, with agriculture, tourism, and forestry. Administrative centre: Perth. Pop: 135 990 (2003 est). Area: 5321 sq km (2019 sq miles)