13-letter words containing g, i, o, r, d
- ground sluice — a trench, cut through a placer or through bedrock, through which a stream is diverted in order to dislodge and wash the gravel.
- ground-to-air — (of weapons) designed to be fired at aircraft from the ground
- groundnut oil — a mild-tasting oil extracted from peanuts and used in cooking
- grylloblattid — a primitive insect of the order Grylloblattidea, having a soft, unpigmented wingless body with long antennae and no eyes, living under stones in moderately high mountains of the western U.S., Japan, and the U.S.S.R.
- gulf of sidra — a wide inlet of the Mediterranean on the N coast of Libya
- heading sword — a sword used for beheading.
- heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
- herod agrippa — (Julius Agrippa) c10 b.c.–a.d. 44, king of Judea 41–44 (grandson of Herod the Great).
- high-coloured — (of the complexion) deep red or purplish; florid
- 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.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- hunting sword — a short, light saber of the 18th century, having a straight or slightly curved blade.
- hybrid vigour — the increased size, strength, etc, of a hybrid as compared to either of its parents
- 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).
- hydrogenizing — Present participle of hydrogenize.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- ideogrammatic — Of or pertaining to ideograms.
- ideographical — Alternative form of ideographic.
- idiot strings — strings attached to children's mittens to prevent the wearer from losing them
- in good order — If something is in good order, it is in good condition.
- 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.
- kolding fjord — an inlet of the Little Belt at the head of which is Kolding
- landing force — the ground forces of an amphibious task force that effect the assault landing in an amphibious operation.
- levelling rod — a graduated rod that is used to determine differences in elevation
- lightning rod — a rodlike conductor installed to divert lightning away from a structure by providing a direct path to the ground.
- london bridge — a bridge over the Thames between the City of London on the north side, and Southwark on the south side.
- losing hazard — an unavoidable danger or risk, even though often foreseeable: The job was full of hazards.
- lounge lizard — a foppish man who frequents bars, cafés, hotel lounges, etc., with or in search of women.
- macrodiagonal — the longer of two diagonals
- matchboarding — a construction of matchboards.
- measuring rod — ruler, gauge, stick for measuring
- micr encoding — The MICR encoding of a check is the magnetic ink pattern at the bottom that can be scanned and that contains information about the check.
- mid glamorgan — a county in S Wales. 393 sq. mi. (1019 sq. km).
- middle ground — an intermediate position, area, or recourse between two opposites or extremes; a halfway or neutral standpoint.
- middleborough — a town in SE Massachusetts.
- middlesbrough — a seaport in NE England, on the Tees estuary.
- misconfigured — Simple past tense and past participle of misconfigure.
- misrecognized — Simple past tense and past participle of misrecognize.
- molding board — a board upon which bread is kneaded, cookies prepared, etc.
- monkey bridge — flying bridge.
- monoglyceride — an ester obtained from glycerol by the esterification of one hydroxyl group with a fatty acid.
- mood-altering — (especially of drugs) capable of changing one's emotional state.
- morning dress — formal daytime apparel for men, including striped pants, a cutaway, and a silk hat.