16-letter words containing a, n, e, c
- have the decency — If you say that someone did not have the decency to do something, you are criticizing them because there was a particular action which they did not do but which you believe they ought to have done.
- hawthorne effect — a positive change in the performance of a group of persons taking part in an experiment or study due to their perception of being singled out for special consideration.
- hay-scented fern — a fern, Dennstaedtia punctilobula, of eastern North America, having brittle, yellow-green fronds.
- health education — education that aims to give people the information they need to live healthily
- health inspector — a public employee who inspects places such as restaurants, shops, factories etc to make sure they are hygienic and do not pose any dangers to health
- health insurance — insurance that compensates the insured for expenses or loss incurred for medical reasons, as through illness or hospitalization.
- health-conscious — having an active interest in one's health
- hearsay evidence — testimony based on what a witness has heard from another person rather than on direct personal knowledge or experience.
- heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
- hematocrystallin — (biology, archaic) hemoglobin.
- hemolytic anemia — an anemic condition characterized by the destruction of red blood cells: seen in some drug reactions and in certain infectious and hereditary disorders.
- hen-and-chickens — any of several succulent plants that grow in clusters or colonies formed by runners or offshoots, as those of the genera Echeveria and Sempervivum.
- hendecasyllables — Plural form of hendecasyllable.
- hepatopancreases — Plural form of hepatopancreas.
- heroin addiction — addiction to the drug heroin
- hexachloroethane — a colorless crystalline compound, C 2 Cl 6 , with a camphorlike odor, soluble in alcohol and ether, insoluble in water: used in organic synthesis and pyrotechnics, as a retarding agent in fermentation, and as a solvent.
- hexanedioic acid — adipic acid.
- hierophantically — In a hierophantic manner; in the manner of a hierophant.
- high renaissance — a style of art developed in Italy in the late 15th and early 16th centuries, chiefly characterized by an emphasis on draftsmanship, schematized, often centralized compositions, and the illusion of sculptural volume in painting. Compare Early Renaissance, Venetian (def 2).
- high-maintenance — needing frequent maintenance or repair: My bike is high-maintenance; this is its third front wheel this month.
- high-performance — A high-performance car or other product goes very fast or does a lot.
- higher education — education beyond high school, specifically that provided by colleges and graduate schools, and professional schools.
- hispano-american — Spanish.
- historical novel — a novel within the genre of historical fiction.
- hold one's peace — the normal, nonwarring condition of a nation, group of nations, or the world.
- horizon distance — Television. the distance of the farthest point on the earth's surface visible from a transmitting antenna.
- horseback riding — activity: riding a horse
- hospital corners — a fold on a bed sheet or blanket made by tucking the foot or head of the sheet straight under the mattress with the ends protruding and then making a diagonal fold at the side corner of the sheet and tucking this under to produce a triangular corner.
- huevos rancheros — a Latin American dish of eggs, usually fried or poached, topped with a spicy tomato sauce and sometimes served on a fried corn tortilla with the addition of vegetables and cheese.
- huffman encoding — Huffman coding
- huntington beach — a city in SW California, SE of Los Angeles.
- hurricane season — annual cyclone period
- hydraulic cement — cement that can solidify under water.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- hydrogen cyanide — a colorless poisonous gas, HCN, having a bitter almondlike odor: in aqueous solution it forms hydrocyanic acid.
- hyperconjugation — (organic chemistry) A weak form of conjugation in which single bonds interact with a conjugated system.
- hypermasculinity — pertaining to or characteristic of a man or men: masculine attire.
- hypnagogic image — an image experienced by a person just before falling asleep, which often resembles a hallucination
- hypnagogic state — the drowsy period between wakefulness and sleep, during which fantasies and hallucinations often occur.
- icositetrahedron — a solid figure having 24 faces.
- icterine warbler — a European variety of tree warbler (Hippolais icterina )
- image consultant — imagemaker.
- image processing — (graphics) Computer manipulation of images. Some of the many algorithms used in image processing include convolution (on which many others are based), FFT, DCT, thinning (or skeletonisation), edge detection and contrast enhancement. These are usually implemented in software but may also use special purpose hardware for speed. Image processing contrasts with computer graphics, which is usually more concerned with the generation of artificial images, and visualisation, which attempts to understand (real-world) data by displaying it as an artificial image (e.g. a graph). Image processing is used in image recognition and computer vision. See also Pilot European Image Processing Archive.
- immethodicalness — Lack of method; the quality of being immethodical.
- immunochemically — In an immunochemical way.
- impact extrusion — an extrusion process in which a slug of cold metal in a shallow die cavity is formed by the action of a rapidly moving punch that forces the metal through the die or back around the punch.
- in a cleft stick — If you say that a person or organization is in a cleft stick, you mean that they are in a difficult situation which will bring them problems and harm whatever they decide to do.
- in loco parentis — in the place or role of a parent.
- in plain clothes — not wearing a uniform
- in quadruplicate — in four identical copies