13-letter words containing a, d, f, i
- day of infamy — December 7, 1941, on which Japan attacked Pearl Harbor, bringing the United States into World War II: so referred to by President Franklin D. Roosevelt in his speech to Congress the next day, asking for a declaration of war on Japan.
- dean of guild — the titular head of the guild or merchant company in a Scots burgh, who formerly exercised jurisdiction over all building in the burgh in the Dean of Guild Court
- death benefit — the benefit payable if the holder of a life insurance policy dies before the policy matures
- decaffeinated — Decaffeinated coffee has had most of the caffeine removed from it.
- declassifying — Present participle of declassify.
- defamiliarise — Alternative spelling of defamiliarize.
- defamiliarize — to make (something well-known or well-established) seem unfamiliar, strange, disconcerting, etc., as in order to reinterpret or subvert it
- defeasibility — capable of being annulled or terminated.
- defendability — (uncountable) The condition of being defendable.
- deferentially — showing deference; deferent; respectful.
- defibrillated — Simple past tense and past participle of defibrillate.
- 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.
- delirifacient — anything that causes or induces delirium
- densification — the act of becoming or making more dense
- desulfuration — to desulfurize.
- dieffenbachia — any of various plants belonging to the genus Dieffenbachia, of the arum family, native to tropical America, often cultivated as houseplants for their decorative foliage.
- 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.
- differentials — Plural form of differential.
- differentiate — to form or mark differently from other such things; distinguish.
- diffractogram — An image produced by a diffractometer.
- digital fount — a typeface of which the letter-shapes have been converted into digital form so that they can be used in computer-aided typesetting
- 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.
- dignification — The act of dignifying; exaltation.
- disaffiliated — Simple past tense and past participle of disaffiliate.
- 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
- disfiguration — 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.
- disfunctional — dysfunction.
- disgracefully — In a disgraceful manner.
- disinfectants — Plural form of disinfectant.
- disqualifying — Present participle of disqualify.
- dissatisfying — Present participle of dissatisfy.
- distastefully — In a distasteful manner.
- 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.
- diversifiable — to make diverse, as in form or character; give variety or diversity to; variegate.
- draft version — a preliminary version
- drafting yard — a yard fenced into compartments for the holding and sorting of livestock.
- draftsmanship — a person employed in making mechanical drawings, as of machines, structures, etc.
- drape forming — thermoforming of plastic sheeting over an open mold by a combination of gravity and a vacuum.