17-letter words containing h, a, y, c, o
- microphanerophyte — any shrub or tree having a height of 2 to 8 metres
- monarch butterfly — a large, deep-orange butterfly, Danaus plexippus, having black and white markings, the larvae of which feed on the leaves of milkweed.
- monochromatically — of or having one color.
- monolith catalyst — A monolith catalyst is a type of catalyst whose surface is flat.
- muscle dysmorphia — a mental disorder primarily affecting males, characterized by obsessions about a perceived lack of muscularity, leading to compulsive exercising, use of anabolic steroids, etc. Compare body dysmorphic disorder.
- mystical theology — the branch of theology dealing with mysticism and mystical experiences.
- nephelometrically — By means of nephelometry.
- neuropharmacology — the branch of pharmacology concerned with the effects of drugs on the nervous system.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- northcountrywoman — a female native or inhabitant of the North of England
- oceanographically — In terms of oceanography.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
- oystershell scale — a scale insect, Lepidosaphes ulmi, having a scale shaped like the shell of an oyster, which infests various deciduous trees and shrubs.
- palaeoarchaeology — the branch of archaeology concerned with the earliest fossil remains
- paleobiochemistry — the study of biochemical processes that occurred in fossil life forms.
- parathyroidectomy — the excision of a parathyroid gland.
- personality clash — friction between two people who have different personalities or points of view
- phantom pregnancy — the occurrence of signs of pregnancy, such as enlarged abdomen and absence of menstruation, when no embryo is present, due to hormonal imbalance
- pharmacologically — the science dealing with the preparation, uses, and especially the effects of drugs.
- phenethyl alcohol — a colorless, viscous, slightly water-soluble liquid, C 8 H 1 0 O, having a faint roselike odor: used chiefly in perfumery.
- phenyl isocyanate — a liquid reagent, C 7 H 5 NO, having an unpleasant, irritating odor: used chiefly for identifying alcohols and amines.
- phenylformic acid — benzoic acid.
- philanthropically — of, pertaining to, engaged in, or characterized by philanthropy; benevolent: a philanthropic foundation.
- polymorphonuclear — (of a leukocyte) having a lobulate nucleus.
- polyvinyl alcohol — a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.
- psychoeducational — designating or of psychological methods, as intelligence tests, used in evaluating learning ability
- psychographically — Psychology. a graph indicating the relative strength of the personality traits of an individual.
- psychoprophylaxis — Lamaze method.
- psychotherapeutic — psychotherapy.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.
- respiratory chain — a series of mitochondrial proteins that transport electrons of hydrogen, released in the Krebs cycle, from acetyl coenzyme A to inhaled oxygen to form H 2 O: the energy released in the process is conserved as ATP.
- reticulate python — a python, Python reticulatus, of southeastern Asia and the East Indies, sometimes growing to a length of 32 feet (10 meters): usually considered to be the largest snake in the world.
- school playground — school's outdoor recreation area
- shortcrust pastry — a basic type of pastry that is made with half the quantity of fat to flour, and has a crisp but crumbly texture
- shorthold tenancy — letting of a dwelling for between one and five years at a fair rent
- shuttle diplomacy — diplomatic negotiations carried out by a mediator who travels back and forth between the negotiating parties.
- sister of charity — a member of one of several congregations of sisters founded in 1634 by St. Vincent de Paul.
- social psychology — the psychological study of social behavior, especially of the reciprocal influence of the individual and the group with which the individual interacts.
- south sea company — a British joint stock company that traded in South America in the 18th century. The South Sea Company took over the national debt in return for a monopoly of trade with the South Seas, causing feverish speculation in their stocks, and a financial crash in 1720 (the South Sea Bubble)
- spherical polygon — a closed figure formed by arcs of great circles on a spherical surface.
- spongy parenchyma — the lower layer of the ground tissue of a leaf, characteristically containing irregularly shaped cells with relatively few chloroplasts and large intercellular spaces.
- steamship company — a company which has a fleet of steamships
- sydenham's chorea — a form of chorea affecting children, often associated with rheumatic fever
- synchronistically — coincidence in time; contemporaneousness; simultaneousness.
- the barbary coast — a historic name for the Mediterranean coast of North Africa: a centre of piracy against European shipping from the 16th to the 19th centuries
- the black country — the formerly heavily industrialized region of central England, northwest of Birmingham
- the factory floor — all the workers in a factory
- the olympic flame — the flame that is symbolically lit at the site of the ancient Olympics in Olympia and transported by relay to the place where the Olympic Games are to be held. It is used to ignite a fire in a cauldron that will burn throughout the Games