14-letter words containing r, e, f, i
- defibrillators — Plural form of defibrillator.
- deflagrability — the state or quality of being deflagrable
- denitrificator — an apparatus which is used in denitrification, particularly in sulphuric acid works
- deputy sheriff — a person that is authorized to act as sheriff in certain circumstances
- diamantiferous — (usually of geographical regions) producing or bearing diamonds
- diamondiferous — containing or yielding diamonds for mining.
- diffeomorphism — a differentiable homeomorphism.
- different than — different from
- differentiable — capable of being differentiated.
- differentially — of or relating to difference or diversity.
- differentiated — Recognize or ascertain what makes (someone or something) different.
- differentiates — Third-person singular simple present indicative form of differentiate.
- differentiator — a person or thing that differentiates.
- diffractometer — an instrument that is used to study atomic crystal structure by measuring the angles at which x-rays, neutrons, or electrons are diffracted by matter.
- diffractometry — The elucidation of the structures of crystalline materials by the use of X-ray diffraction.
- diffuse-porous — having annual rings in which the size of pores is approximately the same in wood formed in spring and summer.
- disafforesting — Present participle of disafforest.
- discomfortable — an absence of comfort or ease; uneasiness, hardship, or mild pain.
- disconformable — of or relating to a disconformity.
- disenfranchise — to disfranchise.
- disfigurements — Plural form of disfigurement.
- disforestation — Archaic form of deforestation.
- disfurnishment — the act or quality of disfurnishing
- disregardfully — In a disregardful manner; negligently; heedlessly.
- do-it-yourself — of or designed for construction or use by amateurs without special training: a do-it-yourself kit for building a radio.
- door furniture — locks, handles, etc, designed for use on doors
- drawing office — an office where drawings are made
- driftless area — a tract of land that was once surrounded but never covered by a continental glacier, consequently having no glacial deposits.
- drone aircraft — a pilotless radio-controlled aircraft used for reconnaissance or bombing
- effort bargain — a bargain in which the reward to an employee is based on the effort that the employee puts in
- eigenfrequency — One of the natural resonant frequencies of a system.
- electric fence — a fence with an electric current in it, typically used to keep cattle in a field
- electric field — a field of force surrounding a charged particle within which another charged particle experiences a force
- electrifyingly — In an electrifying manner.
- electrofishing — the practice of catching fish by stunning them with electric current or by attracting them through the use of electricity
- electroforming — a process used to create a metallic object by electrolytic deposition on a mould or matrix
- enforceability — The quality of being enforceable.
- engine failure — failure to operate by the engine of an aircraft, car, or other vehicle
- ergocalciferol — Constituent of vitamin D1 and vitamin D2.
- esterification — A reaction of an alcohol with an acid to produce an ester and water.
- facinorousness — the quality of being facinorous
- faeroe islands — group of Danish islands in the N Atlantic, between Iceland & the Shetland Islands: 540 sq mi (1,399 sq km); pop. 44,000
- fair territory — the area beginning with and including home plate and extending between and including foul lines into which a batter must bat the ball as a prerequisite for a safe hit.
- fair-trade law — a state or federal law authorizing fair-trade agreements: repealed 1975.
- fairmindedness — Alt form fair-mindedness.
- fairy bluebird — any fruit-eating passerine bird of the genus Irena, of the East Indies, the males of the several species being characteristically black below and purple-blue above.
- fairy primrose — a tender primrose, Primula malacoides, of China, having hairy leaves and small, pink or lilac-colored flowers.
- fallen timbers — a battle site on the Maumee River, near present-day Maumee, Ohio, where a confederation of Indian tribes (Northwest Indian Confederation) was defeated by Gen. Anthony Wayne (1794): state park.
- falling market — a stock market in which share prices are falling
- false beginner — a language student who has some knowledge of a language, but who needs to start again from the beginning