15-letter words containing a, y, r, s
- crepuscular ray — a twilight ray of sunlight shining through breaks in high clouds and illuminating dust particles in the air.
- cricopharyngeus — (anatomy) Part of the inferior pharyngeal constrictor, arising from the cricoid cartilage.
- crossopterygian — any bony fish of the subclass Crossopterygii, having fleshy limblike pectoral fins. The group, now mostly extinct, contains the ancestors of the amphibians
- crossreactivity — Alternative spelling of cross-reactivity.
- cryoanaesthesia — Alternative spelling of cryoanesthesia.
- cryoprotectants — Plural form of cryoprotectant.
- crystal counter — an instrument for detecting and measuring the intensity of high-energy radiation, in which particles collide with a crystal and momentarily increase its conductivity
- crystal healing — (in alternative therapy) the use of the supposed power of crystals to affect the human energy field
- crystal lattice — the regular array of points about which the atoms, ions, or molecules composing a crystal are centred
- crystal nucleus — the tiny crystal that forms at the onset of crystallization
- crystal pick-up — a record-player pick-up in which the current is generated by the deformation of a piezoelectric crystal caused by the movements of the stylus
- crystalliferous — producing or containing crystals
- crystallisation — (British) alternative spelling of crystallization.
- crystallization — Crystallization is the process in which crystals are formed either from something that has been melted or from a solution.
- crystallography — the science concerned with the formation, properties, and structure of crystals
- curiosity value — value arising from rarity or strangeness rather than intrinsic worth
- cyanide process — a process for recovering gold and silver from ores by treatment with a weak solution of sodium cyanide
- cyber-squatting — (jargon, networking) The practice of registering famous brand names as Internet domain names, e.g. harrods.com, ibm.firm or sears.shop, in the hope of later selling them to the appropriate owner at a profit.
- cytomegalovirus — a virus of the herpes virus family that may cause serious disease in patients whose immune systems are compromised
- cytotrophoblast — the thickened, inner part of the mammalian placenta nearest to the fetus, covering the chorion during early pregnancy
- daguerreotypist — an obsolete photographic process, invented in 1839, in which a picture made on a silver surface sensitized with iodine was developed by exposure to mercury vapor.
- daily newspaper — A daily newspaper is a newspaper that is published every day of the week except Sunday.
- decorated style — a 14th-century style of English architecture characterized by the ogee arch, geometrical tracery, and floral decoration
- delsarte system — a method of teaching drama and dancing based on the exercises of Alexandre Delsarte (1811–71), famous teacher at the Paris Conservatoire
- demonstrability — The quality of being demonstrable.
- demonstratively — characterized by or given to open exhibition or expression of one's emotions, attitudes, etc., especially of love or affection: She wished her fiancé were more demonstrative.
- dephosphorylate — to remove a phosphate group from (an organic compound)
- dermatoglyphics — the lines forming a skin pattern, esp on the palms of the hands and soles of the feet
- dermatomyositis — a chronic medical condition characterized by inflammation of muscles (myositis), accompanied by a skin rash
- dermatophytosis — a fungal infection of the skin, esp the feet
- diastrophically — in a diastrophic fashion
- dionysius thrax — c100 b.c, Greek grammarian.
- discretionarily — subject or left to one's own discretion.
- dishearteningly — In a disheartening manner.
- disinflationary — (economics) Exhibiting or causing reduced inflation.
- disquisitionary — of or relating to a disquisition
- disreputability — The state of being disreputable.
- dissatisfactory — causing dissatisfaction; unsatisfactory: dissatisfactory service.
- distractibility — inability to sustain one's attention or attentiveness, which is rapidly diverted from one topic to another: a symptom of a variety of mental disorders, as manic disorder, schizophrenia, or anxiety states.
- dorsiventrality — The quality of being dorsiventral.
- dorsoventrality — Zoology. pertaining to the dorsal and ventral aspects of the body; extending from the dorsal to the ventral side: the dorsoventral axis.
- dysmorphophobia — an obsessive fear that one's body, or any part of it, is repulsive or may become so
- dystrophication — the process by which a body of water becomes dystrophic.
- early admission — a plan for admission to colleges in the US, in which students apply to colleges earlier in the year than is customary and receive their results earlier too
- early christian — denoting or relating to the style of architecture that started in Italy in the 3rd century ad and spread through the Roman empire until the 5th century
- early saxifrage — an eastern North American plant, Saxifraga virginiensis, of the saxifrage family, having toothed basal leaves and branched clusters of small white flowers.
- early-type star — any massive hot star of spectral type O, B, or A
- economy measure — any method of reducing expenditure and hence saving money
- egyptian jasper — a type of jasper, generally with zones of colour, found in desert regions of Egypt
- electroanalyses — Plural form of electroanalysis.