12-letter words containing p, i, e, t, r, m
- entry permit — customs
- ephemerality — (uncountable) The state or condition of being ephemeral; transience.
- epigrammatic — Of the nature or in the style of an epigram; concise, clever, and amusing.
- epirrhematic — relating to epirrhema
- 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.
- 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.
- 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.
- 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
- 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
- impersonated — to assume the character or appearance of; pretend to be: He was arrested for impersonating a police officer.
- impersonates — Third-person singular simple present indicative form of impersonate.
- impersonator — a person who pretends to be another.
- impertinence — unmannerly intrusion or presumption; insolence.
- impertinency — impertinence.
- implementers — Plural form of implementer.
- implementors — Plural form of implementor.
- implicatures — Plural form of implicature.
- implied term — a term which is not written in a contract but to which it is necessary to comply with or adhere to
- import trade — goods, services and products brought into a country and which were bought from another country