13-letter words containing r, i, o, t
- hyracotherium — eohippus.
- hysterotomies — Plural form of hysterotomy.
- hystricomorph — any rodent of the suborder Hystricomorpha, which includes porcupines, cavies, agoutis, and chinchillas
- i-proposition — a particular affirmative proposition
- iatrochemical — relating to iatrochemistry or iatrochemists
- ichthyosaurus — ichthyosaur.
- ideogrammatic — Of or pertaining to ideograms.
- idiochromatic — (of a mineral) deriving a characteristic color from its capacity to absorb certain light rays.
- idiorrhythmic — self-regulating; allowing each member to regulate his or her own life
- idiosyncratic — pertaining to the nature of idiosyncrasy, or something peculiar to an individual: The best minds are idiosyncratic and unpredictable as they follow the course of scientific discovery.
- idiot strings — strings attached to children's mittens to prevent the wearer from losing them
- illocutionary — pertaining to a linguistic act performed by a speaker in producing an utterance, as suggesting, warning, promising, or requesting.
- illuminometer — an instrument for measuring illumination.
- illustrations — Plural form of illustration.
- illustriously — highly distinguished; renowned; famous: an illustrious leader.
- illustrissimo — most illustrious (esp as belonging to the Italian aristocracy)
- image formats — (graphics, file format) There are many formats used to store images in files. GIF, TIFF and JPEG are very common. Others are BIFF, bmp, Clear, FITS, IFF, NFF, OFF, PCX, PNG, TGA, XBM. Some of these are documented on-line at the following sites:
- immigrational — the act of immigrating.
- immortalizing — Present participle of immortalize.
- immunosorbent — an insoluble surface to which a specific antibody is attached for the purpose of removing the corresponding antigen from a solution or suspension.
- immunotherapy — treatment designed to produce immunity to a disease or enhance the resistance of the immune system to an active disease process, as cancer.
- impenetration — thorough penetration
- imperfections — A fault, blemish, or undesirable feature.
- imperforation — Also, imperforated. not perforate; having no perforation.
- imperial moth — a yellow moth, Eacles imperialis, having a diagonal band of pinkish brown or purple: the hairy larvae feed on the leaves of hickory, oak, etc.
- impersonality — absence of human character or of the traits associated with the human character: He feared the impersonality of a mechanized world.
- impersonating — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonation — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonators — Plural form of impersonator.
- impignoration — the state of being mortgaged
- import tariff — a tax or duty imposed on imported goods
- import-export — international trade and exchange of goods, products and services
- importunately — urgent or persistent in solicitation, sometimes annoyingly so.
- importunities — Plural form of importunity.
- impressionist — a person who follows or adheres to the theories, methods, and practices of impressionism, especially in the fields of painting, music, or literature.
- imprisonments — Plural form of imprisonment.
- improbability — the quality or condition of being improbable; unlikelihood.
- improprieties — Plural form of impropriety.
- improvability — to bring into a more desirable or excellent condition: He took vitamins to improve his health.
- improvidently — In an improvident manner.
- improvisation — the art or act of improvising, or of composing, uttering, executing, or arranging anything without previous preparation: Musical improvisation involves imagination and creativity.
- improvisatore — An individual who recites impromptu verse, as from a song or poem.
- improvisatori — Plural form of improvisatore.
- improvisatory — of, relating to, or characteristic of an improvisation or improvisator.
- in moderation — not to excess
- in order that — used to introduce a clause of purpose
- in proportion — balanced
- in receipt of — If you are in receipt of something, you have received it or you receive it regularly.
- in repertoire — denoting the performance of two or more plays, ballets, etc, by the same company in the same venue on different evenings over a period of time
- in respect of — with regard, with reference