13-letter words containing o, r, g, n
- housed string — a string of a stair (housed stair) receiving the ends of the risers or treads in a series of housings.
- housetraining — Present participle of housetrain.
- housewarmings — Plural form of housewarming.
- housing start — an instance of beginning the construction of a dwelling.
- hunting sword — a short, light saber of the 18th century, having a straight or slightly curved blade.
- 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.
- 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.
- hydronitrogen — a chemical compound containing only hydrogen and nitrogen.
- hyperbolising — to use hyperbole; exaggerate.
- hypnobirthing — the use of hypnotic techniques during labour by an expectant mother to reduce the pain and emotional stress of delivery
- iconographies — Plural form of iconography.
- idiot strings — strings attached to children's mittens to prevent the wearer from losing them
- immigrational — the act of immigrating.
- immortalizing — Present participle of immortalize.
- impersonating — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impignoration — the state of being mortgaged
- impoverishing — Present participle of impoverish.
- in good order — If something is in good order, it is in good condition.
- in the groove — a long, narrow cut or indentation in a surface, as the cut in a board to receive the tongue of another board (tongue-and-groove joint) a furrow, or a natural indentation on an organism.
- inaugurations — Plural form of inauguration.
- incongruences — not congruent.
- incongruently — not congruent.
- incongruities — the quality or condition of being incongruous.
- incongruously — out of keeping or place; inappropriate; unbecoming: an incongruous effect; incongruous behavior.
- incorporating — to form into a legal corporation.
- incorrigibles — Plural form of incorrigible.
- incouragement — Archaic form of encouragement.
- indo-germanic — Indo-European
- infrigidation — (obsolete) The act of chilling or making cold; congelation.
- ingurgitation — The act of swallowing greedily or immoderately; that which is so swallowed.
- inorganically — In an inorganic manner.
- intercropping — Present participle of intercrop.
- intercrossing — Present participle of intercross.
- interferogram — a photographic record of light interference patterns produced with an interferometer, used for recording shock waves and fluid flow patterns.
- interiorizing — Present participle of interiorize.
- interpolating — Present participle of interpolate.
- interregional — of or relating to a region of considerable extent; not merely local: a regional meeting of the Boy Scouts.
- interreligous — Between religions.
- interrogating — to ask questions of (a person), sometimes to seek answers or information that the person questioned considers personal or secret.
- interrogation — the act of interrogating; questioning.
- interrogative — of, relating to, or conveying a question.
- interrogators — Plural form of interrogator.
- interrogatory — conveying or expressing a question; interrogative.
- intraregional — Within a region.
- introgressant — an individual resulting from introgression