13-letter words containing a, g, o, d, n
- gradient post — a small white post beside a railway line at a point where the gradient changes having arms set at angles representing the gradients
- gran paradiso — the highest peak in the Graian Alps, in N Italy. 13,324 feet (4061 meters).
- grand guignol — a short drama stressing horror and sensationalism.
- grand old man — a highly respected, usually elderly man who has been a major or the most important figure in a specific field for many years.
- grand opening — celebratory first-day event
- grand passion — an intense or overwhelming attraction or love.
- grandiloquent — speaking or expressed in a lofty style, often to the point of being pompous or bombastic.
- grandiloquous — grandiloquent
- grandioseness — affectedly grand or important; pompous: grandiose words.
- grandma moses — Anna Mary Robertson ("Grandma Moses") 1860–1961, U.S. painter.
- grandmotherly — of or characteristic of a grandmother.
- granodioritic — relating to granodiorite
- ground attack — an attack using ground forces, as opposed to air or naval forces
- ground tackle — equipment, as anchors, chains, or windlasses, for mooring a vessel away from a pier or other fixed moorings.
- ground-to-air — (of weapons) designed to be fired at aircraft from the ground
- groundbreaker — a person who is an originator, innovator, or pioneer in a particular activity.
- groundhog day — February 2, in most parts of the U.S., the day on which, according to legend, the groundhog first emerges from hibernation. If it is a sunny day and the groundhog sees its shadow, six more weeks of wintry weather are predicted.
- gunpowder tea — an explosive mixture, as of potassium nitrate, sulfur, and charcoal, used in shells and cartridges, in fireworks, for blasting, etc.
- gynandromorph — an individual exhibiting morphological characteristics of both sexes.
- hammond organ — an electric organ with two keyboards, electronic tone generation, and a wide variety of tone colours: invented in 1934
- hand in glove — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- hand-in-glove — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- heading sword — a sword used for beheading.
- heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
- horse trading — the act or fact of conducting a shrewd exchange or engaging in a horse trade; bargaining.
- horse-trading — to bargain or trade shrewdly.
- hydrocracking — the cracking of petroleum or the like in the presence of hydrogen.
- hydrofracking — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
- hydrogenating — Present participle of hydrogenate.
- hydrogenation — to combine or treat with hydrogen, especially to add hydrogen to the molecule of (an unsaturated organic compound).
- in god's name — If someone uses such expressions as what in God's name, why in God's name, or how in God's name, they are emphasizing how angry, annoyed, or surprised they are.
- in good faith — accordance with standards of honesty, trust, sincerity, etc. (usually preceded by in): If you act in good faith, he'll have no reason to question your motives.
- in good hands — in protective care
- in good shape — person: fit, healthy
- indo-germanic — Indo-European
- infrigidation — (obsolete) The act of chilling or making cold; congelation.
- ironing board — a flat, cloth-covered board or other surface, often foldable and having legs, on which clothing, linens, or similar articles are ironed.
- jordan engine — a machine for beating and refining pulp, used in manufacturing certain grades of paper.
- juglandaceous — belonging to the plant family Juglandaceae.
- kangaroo code — spaghetti code
- knowledgeable — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- knowledgeably — possessing or exhibiting knowledge, insight, or understanding; intelligent; well-informed; discerning; perceptive.
- knowledgebase — Alternative spelling of knowledge base.
- komodo dragon — the largest monitor lizard, Varanus komodoensis, of Komodo and other East Indian islands: grows to a length of 3 m (about 10 ft) and a weight of 135 kilograms (about 300 lbs.)
- lake onondaga — a salt lake in central New York State. Area: about 13 sq km (5 sq miles)
- landing force — the ground forces of an amphibious task force that effect the assault landing in an amphibious operation.
- language code — (human language, standard) A set of standard names and abbreviations maintained by ISO for identifying human languages, natural and invented, past and present. Each language has a list of English and French names and an ISO 639-2 three-letter code. Some also have an ISO 639-1 two-letter code. The list even includes the Klingon language from the Star Trek science fiction series. There are also country codes.
- leading block — lead block.
- load shedding — the deliberate shutdown of electric power in a part or parts of a power-distribution system, generally to prevent the failure of the entire system when the demand strains the capacity of the system.
- load-shedding — the deliberate shutdown of electric power in a part or parts of a power-distribution system, generally to prevent the failure of the entire system when the demand strains the capacity of the system.