12-letter words containing t, e, m, p, r
- expatriatism — The condition of being an expatriate, especially a deliberate one.
- experimental — (of a new invention or product) based on untested ideas or techniques and not yet established or finalized.
- experimented — Simple past tense and past participle of experiment.
- experimenter — A person who experiments.
- extemporally — In an extemporal manner.
- extemporised — Simple past tense and past participle of extemporise.
- extemporized — Simple past tense and past participle of extemporize.
- extemporizer — One who extemporizes.
- extemporizes — Third-person singular simple present indicative form of extemporize.
- extracampine — (psychiatry, of hallucination) Beyond the possible sensory field.
- extremophile — A microorganism, especially an archaean, that lives in conditions of extreme temperature, acidity, alkalinity, or chemical concentration.
- extropianism — Belief in, or support for, the theory of extropy.
- feather palm — any palm having large pinnate or bipinnate leaves, as the date palm or royal palm.
- fermat prime — (mathematics) A prime number of the form 2^2^n + 1. Any prime number of the form 2^n+1 must be a Fermat prime. Fermat conjectured in a letter to someone or other that all numbers 2^2^n+1 are prime, having noticed that this is true for n=0,1,2,3,4. No further Fermat primes are known; several have been factorised, and several more have been proved composite without finding explicit factorisations.
- first empire — the empire (1804–14) established in France by Napoleon Bonaparte.
- fore-topmast — the spar or section of a pole mast serving as the topmast of a foremast on a ship.
- foretopmasts — Plural form of foretopmast.
- gametophores — Plural form of gametophore.
- great primer — an 18-point type of a size larger than Columbian, formerly used for Bibles.
- haemoprotein — Alternative spelling of hemoprotein.
- heliotropism — heliotropic tendency or growth.
- hemimorphite — a hydrous zinc silicate mineral, Zn 4 (OH) 2 Si 2 O 7 ⋅H 2 O, occurring in clear, colorless orthorhombic crystals; calamine: an ore of zinc.
- hemiparasite — A plant that obtains or may obtain part of its food by parasitism, e.g., mistletoe, which also photosynthesizes.
- hephthemimer — a verse with a group of seven metrical half feet
- heteromorphy — (biology) The state or quality of being heteromorphic; heteromorphism.
- homeotherapy — therapy for a disease by means of an agent that is similar to but not identical with the causative agent of the disease.
- hot-tempered — easily angered; short-tempered.
- hymenopteran — hymenopterous.
- hymenopteron — hymenopteran.
- hypermarkets — Plural form of hypermarket.
- hypermetropy — Dated form of hypermetropia.
- hypermutable — Of or in a state in which mutation is abnormally frequent.
- hyperthermal — Also, thermic. of, relating to, or caused by heat or temperature: thermal capacity.
- hyperthermia — Pathology. abnormally high fever.
- hyperthermic — Having a very high body temperature.
- hyponatremia — (medicine) An abnormally low concentration of sodium (or salt) in blood plasma.
- ill-tempered — bad or irritable disposition.
- impenetrable — not penetrable; that cannot be penetrated, pierced, entered, etc.
- impenetrably — not penetrable; that cannot be penetrated, pierced, entered, etc.
- imperatively — absolutely necessary or required; unavoidable: It is imperative that we leave.
- imperatorial — Commanding; authoritative.
- imperception — lack of perception.
- imperceptive — not perceptive; lacking perception.
- impercipient — lacking perception; imperceptive.
- imperfection — an imperfect detail; flaw: a law full of imperfections.
- imperfective — noting an aspect of the verb, as in Russian, that indicates incompleteness of the action or state at a temporal point of reference.
- imperforated — Also, imperforated. not perforate; having no perforation.
- imperforates — Plural form of imperforate.
- imperialists — Plural form of imperialist.
- impersistent — not persistent