17-letter words containing n, a, p, o
- canadian pondweed — a North American aquatic plant, Elodea (or Anacharis) canadensis, naturalized in Europe, having crowded dark green leaves: family Hydrocharitaceae. It is used in aquariums
- canine parvovirus — a highly contagious viral disease of dogs characterized by vomiting, haemorrhagic diarrhoea, depression, and, in severe cases, death
- cape barren goose — a greyish Australian goose, Cereopsis novaehollandiae, having a black bill with a greenish cere
- cape horn current — the part of the Antarctic Circumpolar Current flowing E at Cape Horn.
- capital allowance — the practice of allowing a certain amount of money spent by a company on fixed assets to be taken off the profits of the company before tax is imposed
- capital formation — the net additions to a capital stock in an accounting period
- carbon disulphide — a colourless slightly soluble volatile flammable poisonous liquid commonly having a disagreeable odour due to the presence of impurities: used as an organic solvent and in the manufacture of rayon and carbon tetrachloride. Formula: CS2
- carbon microphone — a microphone in which a diaphragm, vibrated by sound waves, applies a varying pressure to a container packed with carbon granules, altering the resistance of the carbon. A current flowing through the carbon is thus modulated at the frequency of the sound waves
- cardiac tamponade — tamponade (def 2).
- cardiac-tamponade — Medicine/Medical. the use of a tampon, as to stop a hemorrhage.
- carolina allspice — any of a genus (Calycanthus) of hardy shrubs (family Calycanthaceae) of a dicotyledonous order (Laurales) of plants, bearing reddish-brown, sweet-smelling flowers
- carolina parakeet — an extinct New World parakeet, Conuropsis carolinensis, that ranged into the northern U.S., having yellowish-green plumage with an orange-yellow head.
- cartesian product — the set of all ordered pairs of members of two given sets. The product A × B is the set of all pairs <a, b> where a is a member of A and b is a member of B
- castor and pollux — the twin sons of Leda: Pollux was fathered by Zeus, Castor by the mortal Tyndareus. After Castor's death, Pollux spent half his days with his half-brother in Hades and half with the gods in Olympus
- catastrophization — The act or process of catastrophizing.
- cellophane noodle — a stringlike, transparent noodle used esp. in East Asian cooking
- centripetal force — a force that acts inwards on any body that rotates or moves along a curved path and is directed towards the centre of curvature of the path or the axis of rotation
- chartered company — a company formed for the purpose of exploration and colonization
- chelsea pensioner — an old ex-soldier resident in the Chelsea Royal Hospital
- child pornography — pornography using a child or children as the subject.
- chincoteague pony — a wild pony found on certain islands off the Virginia coast, apparently descended from Moorish ponies shipwrecked in this vicinity in the 16th century.
- chloracetophenone — chloroacetophenone.
- chloronaphthalene — either of two isomeric naphthalene compounds containing one chlorine atom.
- chronographically — a timepiece fitted with a recording device, as a stylus and rotating drum, used to mark the exact instant of an occurrence, especially in astronomy.
- clifden nonpareil — a handsome nocturnal moth, Catocala fraxini, that is brown with bluish patches on the hindwings: related to the red underwing
- clinicopathologic — of or relating to the combined study of disease symptoms and pathology.
- clipperton island — an uninhabited atoll in the E Pacific SW of Mexico, under French administration. Area: 6 sq km (2.3 sq miles)
- close corporation — a small private limited company
- close parenthesis — right parenthesis
- close punctuation — punctuation in which many commas, full stops, etc, are used
- closed-captioning — (of a television program, film, or video) distributed with synchronized transcription of speech and written descriptions of other relevant audio elements, as for the hearing-impaired, that are visible only when the option to display them is selected. Abbreviation: CC.
- cognitive therapy — a form of psychotherapy in which the patient is encouraged to change the way he or sees the world and himself or herself: used particularly to treat depression
- colour separation — the division of a coloured original into cyan, magenta, yellow, and black so that plates may be made for print reproduction. Separation may be achieved by electronic scanning or by photographic techniques using filters to isolate each colour
- combe-capelle man — a skeleton of the early Upper Paleolithic Perigordian culture in France.
- come to handgrips — to engage in hand-to-hand fighting
- communication gap — a lack of communication
- commuter airplane — air taxi.
- companionableness — The state or quality of being companionable.
- company commander — the commander of a company of soldiers
- company secretary — A company secretary is a person whose job within a company is to keep the legal affairs, accounts, and administration in order.
- compartmentalised — Simple past tense and past participle of compartmentalise.
- compartmentalized — separated into several discrete areas
- compartmentalizes — Third-person singular simple present indicative form of compartmentalize.
- compass deviation — deviation (def 4).
- compassionateness — The state or quality of being compassionate.
- compensated grade — a grade that has been reduced along a curve to offset the additional resistance due to the curve.
- compilation album — a musical recording consisting of works chosen for a particular purpose or theme
- complement clause — a subordinate clause that functions as the subject, direct object, or prepositional object of a verb, as that you like it in I'm surprised that you like it.
- complementariness — forming a complement; completing.
- complementarities — Plural form of complementarity.