13-letter words containing d, e, n, o, r
- groundbreaker — a person who is an originator, innovator, or pioneer in a particular activity.
- groundkeepers — Plural form of groundkeeper.
- groundskeeper — a person who is responsible for the care and maintenance of a particular tract of land, as an estate, a park, or a cemetery.
- groundstrokes — Plural form of groundstroke.
- groundworkers — Plural form of groundworker.
- gunpowder tea — an explosive mixture, as of potassium nitrate, sulfur, and charcoal, used in shells and cartridges, in fireworks, for blasting, etc.
- hartford fern — a climbing or sprawling fern, Lygodium palmatum, of the eastern U.S., having deeply lobed ivylike leaves.
- hazardousness — The condition of being hazardous.
- heading sword — a sword used for beheading.
- heaven forbid — You say 'Heaven forbid!' to emphasize that you very much hope that something will not happen.
- heli-boarding — the sport of snowboarding on mountains or glaciers accessible only by helicopter or skiplane
- hemiterpenoid — (chemistry) a terpenoid having a C5 skeleton.
- henceforwards — (archaic) henceforth, from this point onwards.
- hendecahedron — a solid figure having 11 faces.
- here document — (operating system) Data included in a Unix shell script or Perl script using the "<<" syntax.
- hero sandwich — a large sandwich, usually consisting of a small loaf of bread or long roll cut in half lengthwise and containing a variety of ingredients, as meat, cheese, lettuce, and tomatoes.
- herod antipas — died after a.d. 39, ruler of Galilee, a.d. 4–39: ordered the execution of John the Baptist and participated in the trial of Jesus.
- heroin addict — sb dependent on heroin
- honey buzzard — a long-tailed Old World hawk, Pernis apivorus, that feeds on the larvae of bees as well as on small rodents, reptiles, and insects.
- horned lizard — an insectivorous iguanid lizard of the genus Phrynosoma, of western North America, having hornlike spines on the head and a flattened body covered with spiny scales.
- horned scully — a tapered block of concrete with projecting steel rails, placed under water to tear holes in the bottoms of boats.
- 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.
- house-trained — housebroken.
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- hyaluronidase — Biochemistry. a mucolytic enzyme found in the testes, in snake venom, and in hemolytic streptococci and certain other bacteria, that decreases the viscosity of the intercellular matrix by breaking down hyaluronic acid.
- hydroairplane — a hydroplane.
- hydrogen bomb — a bomb, more powerful than an atomic bomb, that derives its explosive energy from the thermonuclear fusion reaction of hydrogen isotopes.
- hydrogen bond — a type of chemical bond in which a hydrogen atom that has a covalent link with one of the electronegative atoms (F, N, O) forms an electrostatic link with another electronegative atom in the same or another molecule.
- 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.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hydromorphone — A synthetic narcotic analgesic, (4,5 alpha-epoxy-3-hydroxy-17-methyl morphinan-6-one), similar to morphine and heroin. It is used for moderate to severe pain under the trade name Dilaudid.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hydroxide ion — the anion OH−.
- hydroxyketone — a ketone containing a hydroxyl group.
- hydroxylamine — an unstable, weakly basic, crystalline compound, NH 3 O, used as a reducing agent, analytical reagent, and chemical intermediate.
- hyperadenosis — abnormal enlargement of the glands, especially of the lymph nodes.
- ill-nourished — underfed or inadequately fed
- imponderables — Plural form of imponderable.
- improvidently — In an improvident manner.
- in due course — a direction or route taken or to be taken.
- in good order — If something is in good order, it is in good condition.
- in moderation — not to excess
- in order that — used to introduce a clause of purpose
- incident room — An incident room is a room used by the police while they are dealing with a major crime or accident.
- inconsiderate — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- incredulously — not credulous; disinclined or indisposed to believe; skeptical.
- indirect cost — a business cost that is not directly accountable to a particular function or product; a fixed cost, as a land tax or the like.