13-letter words containing f, e, r, i
- defibrillator — A defibrillator is a machine that starts the heart beating normally again after a heart attack, by giving it an electric shock.
- defibrination — the act or process of defibrinating
- defloration's — the act of deflowering.
- deforestation — to divest or clear of forests or trees: Poor planning deforested the area in ten years.
- deformability — Deformability is the degree to which applying a force can make a particle or solid change shape.
- deformational — of or relating to deformation
- defragmenting — Present participle of defragment.
- dehumidifiers — Plural form of dehumidifier.
- delirifacient — anything that causes or induces delirium
- deptford pink — a plant, Dianthus armeria, of the pink family, native to Eurasia, having slender, erect stems and leaves and clusters of small, bright pink flowers.
- dessert knife — a knife used during the dessert course, usually somewhat smaller than a dinner knife.
- desulfuration — to desulfurize.
- dietary fiber — fiber (def 9).
- dietary fibre — fibrous substances in fruits and vegetables, such as the structural polymers of cell walls, consumption of which aids digestion and is believed to help prevent certain diseases
- diffarreation — (historical) A form of divorce, among the Ancient Romans, in which a cake was used.
- diffeomorphic — (mathematics) Having a diffeomorphism.
- differentials — Plural form of differential.
- differentiate — to form or mark differently from other such things; distinguish.
- differentness — not alike in character or quality; distinct in nature; dissimilar: The two brothers are very different, although they are identical twins.
- digital frame — a picture frame containing an LCD screen that is used to display digital photos: Download pictures to your digital frame directly from your camera's memory card.
- disaffirmance — to deny; contradict.
- disafforested — Simple past tense and past participle of disafforest.
- disaster fund — a fund set up to relieve people or countries afflicted by a disaster
- disfigurement — an act or instance of disfiguring.
- disfranchised — Simple past tense and past participle of disfranchise.
- disfranchises — Third-person singular simple present indicative form of disfranchise.
- disgracefully — In a disgraceful manner.
- disrespectful — characterized by, having, or showing disrespect; lacking courtesy or esteem: a disrespectful remark about teachers.
- distress flag — any flag flown by a vessel to show that it is in distress, as an ensign flown at half-mast or upside down.
- distressfully — In a distressful way; showing distress.
- diversifiable — to make diverse, as in form or character; give variety or diversity to; variegate.
- diving reflex — a reflex of humans, other mammals, reptiles, and birds, triggered by immersion in cold water, that slows the heart rate and diverts blood flow to the brain, heart, and lungs: serves to conserve oxygen until breathing resumes and to delay potential brain damage.
- doppler shift — (often lowercase) the shift in frequency (Doppler shift) of acoustic or electromagnetic radiation emitted by a source moving relative to an observer as perceived by the observer: the shift is to higher frequencies when the source approaches and to lower frequencies when it recedes.
- double-figure — double-digit.
- draft version — a preliminary version
- drape forming — thermoforming of plastic sheeting over an open mold by a combination of gravity and a vacuum.
- drawing frame — a machine used to attenuate and straighten fibers by having them pass, in sliver form, through a series of double rollers, each pair of which revolves at a slightly greater speed than the preceding pair and reduces the number of strands originally fed into the machine to one extended fibrous strand doubled or redoubled in length.
- dress uniform — U.S. Air Force. a uniform consisting of the coat and trousers of the service uniform, with a white shirt and black bow tie, worn for formal occasions.
- driving force — impetus
- dumfriesshire — Also called Dumfriesshire [duhm-frees-sheer, -sher] /dʌmˈfrisˌʃɪər, -ʃər/ (Show IPA). a historic county in S Scotland.
- dwarf ginseng — a plant, Panax trifolius, of eastern North America, having globe-shaped clusters of small, white flowers and yellow fruit.
- ear infection — an infection that affects the ear
- electric fire — a device that provides heat for a room from an incandescent electric element
- electric flux — the product of the electric displacement and the area across which it is displaced in an electric field
- enfield rifle — a breech-loading bolt-action magazine rifle, usually .303 calibre, used by the British army until World War II and by other countries
- enfranchising — Present participle of enfranchise.
- enteric fever — typhoid
- epping forest — a forest in E England, northeast of London: formerly a royal hunting ground
- equidifferent — equilateral; having differences that are equal
- express rifle — a high-velocity hunting rifle for big game shooting