13-letter words containing o, n, s, t, r, i
- heartstopping — Very exciting or shocking, as though to cause one's heart to skip beats.
- heliocentrism — The theory that the sun is the center of the universe, (This theory is historically important and was widely accepted at the time of Copernicus, Galileo and Kepler.).
- 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.
- heroic stanza — elegiac stanza.
- heterogenesis — Also, heterogeny [het-uh-roj-uh-nee] /ˌhɛt əˈrɒdʒ ə ni/ (Show IPA). alternation of generations, especially the alternation of parthenogenetic and sexual generations.
- histogramming — (mathematics) The construction of histograms.
- historicizing — Present participle of historicize.
- histrionicism — histrionic behaviour or acts
- honor society — (in a college, university, or secondary school) a student society that admits members on the basis of academic merit and, sometimes, worthwhile contributions in extracurricular activities.
- horse gentian — any weedy North American plant of the genus Triosteum, of the honeysuckle family, especially T. perfoliatum, having stalkless leaves and purplish-brown flowers and bearing orange fruits.
- horse stinger — a dragonfly.
- 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 painter — a person whose occupation is painting houses.
- 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.
- housepainters — Plural form of housepainter.
- housetraining — Present participle of housetrain.
- housing start — an instance of beginning the construction of a dwelling.
- hudson strait — a strait connecting Hudson Bay and the Atlantic. 450 miles (725 km) long; 100 miles (160 km) wide.
- hunting sword — a short, light saber of the 18th century, having a straight or slightly curved blade.
- hybridisation — Alternative form of hybridization.
- hydrokinetics — the branch of hydrodynamics that deals with the laws governing liquids or gases in motion.
- hyposecretion — a diminished secretion.
- i-proposition — a particular affirmative proposition
- 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
- illustrations — Plural form of illustration.
- immunosorbent — an insoluble surface to which a specific antibody is attached for the purpose of removing the corresponding antigen from a solution or suspension.
- imperfections — A fault, blemish, or undesirable feature.
- 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.
- 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.
- improvisation — the art or act of improvising, or of composing, uttering, executing, or arranging anything without previous preparation: Musical improvisation involves imagination and creativity.
- in respect of — with regard, with reference
- in respect to — with regard to
- in retrospect — contemplation of the past; a survey of past time, events, etc.
- inaugurations — Plural form of inauguration.
- inclinometers — Plural form of inclinometer.
- income stream — a flow of money into a business
- incongruities — the quality or condition of being incongruous.
- inconsiderate — without due regard for the rights or feelings of others: It was inconsiderate of him to keep us waiting.
- inconstruable — unable to be construed
- incorporators — one of the signers of the articles or certificate of legal incorporation.
- incorrectness — not correct as to fact; inaccurate; wrong: an incorrect statement.
- incorruptness — The state of being incorrupt.