15-letter words that end in s
- corkscrew curls — locks of hair curled to hang in a spiral shape
- corkscrew grass — a variety of spear grass, Austrostipa scabra, native to Australia, having very fine foliage, an erect seed head, and awns that twist up the seed head: family Poaceae
- corona borealis — a small compact constellation in the N hemisphere lying between Boötes and Hercules
- coronary bypass — the surgical bypass of a narrowed or blocked coronary artery by grafting a section of a healthy blood vessel taken from another part of the patient's body
- correcting lens — a thin lens used to correct spherical aberration introduced by the spherical mirror in certain optical systems
- correlativeness — The state or quality of being correlative.
- correspondences — communication by exchange of letters.
- corruptibleness — The state or quality of being corruptible.
- corticosteroids — Plural form of corticosteroid.
- costochondritis — (medicine) A benign inflammation of the costal cartilage, causing pain between the ribs.
- could care less — feel(s) the least possible degree of interest, sympathy, etc.
- counterbalances — Plural form of counterbalance.
- countercathexis — (psychology) The suppression or repression of mental energy.
- countercultures — Plural form of counterculture.
- countercurrents — Plural form of countercurrent.
- counterexamples — Plural form of counterexample.
- counterfactuals — Plural form of counterfactual.
- countermeasures — Plural form of countermeasure.
- countersubjects — Plural form of countersubject.
- coureur de bois — a French Canadian woodsman or Métis who traded with Native Americans for furs
- court of arches — the court of appeal of the Province of Canterbury, formerly held under the arches of Bow Church
- court of claims — (in the US) a court that hears claims against the federal government
- cover all bases — take full precautions
- cover one's ass — to take such action as one considers necessary to avoid censure, ridicule, etc at a later time
- cowper's glands — two small yellowish glands near the prostate that secrete a mucous substance into the urethra during sexual stimulation in males
- coxsackie virus — any of various viruses that occur in the intestinal tract of man and cause diseases, some of which resemble poliomyelitis
- cranberry glass — reddish-pink transparent glassware first made in England and the U.S. in the mid-19th century.
- crashworthiness — the ability of a vehicle structure to withstand a crash
- creme de cassis — a sweet, purplish-red liqueur flavored with black currants
- crestfallenness — the state of being crestfallen
- cricopharyngeus — (anatomy) Part of the inferior pharyngeal constrictor, arising from the cricoid cartilage.
- crispus attucks — Crispus [kris-puh s] /ˈkrɪs pəs/ (Show IPA), 1723?–70, American patriot, probably a fugitive slave, killed in the Boston Massacre.
- crispy critters — (jargon) (Or "Crispy Crittered". From the "Post" breakfast cereal of the same name) hardware which is fried or toast.
- crocodile tears — If someone is crying crocodile tears, their tears and sadness are not genuine or sincere.
- crown of thorns — a climbing spurge, Euphorbia milii splendens, of Madagascar, having stems covered with spines.
- crown-of-jewels — an annual herb, Lopezia coronata, of Mexico, having lilac-colored flowers with a red base.
- crown-of-thorns — a starfish, Acanthaster planci, that has a spiny test and feeds on living coral in coral reefs
- cruising radius — the greatest distance that an aircraft or ship can cruise, away from and back to a certain point without refueling
- cryoelectronics — the branch of electronics dealing with the application of low-temperature behavior, especially superconductivity, to electronic devices.
- cryoprotectants — Plural form of cryoprotectant.
- crystal nucleus — the tiny crystal that forms at the onset of crystallization
- crystalliferous — producing or containing crystals
- cum grano salis — with a grain of salt; not too literally
- current affairs — If you refer to current affairs, you are referring to political events and problems in society which are discussed in newspapers, and on television and radio.
- cut (up) didoes — to behave in mischievous or silly way
- cut your losses — If you cut your losses, you stop doing what you were doing in order to prevent the bad situation that you are in becoming worse.
- cyanide process — a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide
- cyclical stocks — shares which are highly sensitive to the business cycle and affected by the performance of the economy
- cycling clothes — special clothes, such as lycra shorts, suitable for cycling in
- cystic fibrosis — Cystic fibrosis is a serious disease of the glands which usually affects children and can make breathing difficult.