15-letter words containing d, i, f, r
- dexfenfluramine — an adrenergic drug, a form of fenfluramine, formerly used in treating obesity but withdrawn from the market in 1997 because of its potential to cause valvular heart disease.
- dichroic filter — an optical colour filter operating on the principle of wave interference between closely spaced reflecting surfaces, rather than by colour absorption
- difference ring — a ring whose elements are cosets with respect to a given ideal.
- differentiating — to form or mark differently from other such things; distinguish.
- differentiation — Biology. the process by which cells or tissues change from relatively generalized to specialized kinds, during development.
- differentiative — That differentiates, or causes differentiation.
- differentiators — Plural form of differentiator.
- diffractometers — Plural form of diffractometer.
- diffractometric — Relating to diffractometry; measured using a diffractometer.
- diffrangibility — the power or capability of being diffracted
- disaster relief — financial or physical help provided to people or areas hit by a disaster
- disconfirmation — to prove to be invalid.
- disconformities — Plural form of disconformity.
- disenfranchised — to disfranchise.
- disenfranchises — Third-person singular simple present indicative form of disenfranchise.
- disgracefulness — The state or quality of being disgraceful.
- dishwasherproof — (of dishes, cooking utensils, etc.) able to withstand washing in an automatic dishwasher without breaking, chipping, fading, etc.
- disinflationary — (economics) Exhibiting or causing reduced inflation.
- disrespectfully — characterized by, having, or showing disrespect; lacking courtesy or esteem: a disrespectful remark about teachers.
- dissatisfactory — causing dissatisfaction; unsatisfactory: dissatisfactory service.
- distressfulness — The state or quality of being distressful; the state of having or causing anxiety or strain.
- distrustfulness — The state or quality of being distrustful or doubtful; distrust; mistrust.
- disulfuric acid — pyrosulfuric acid
- diversification — the act or process of diversifying; state of being diversified.
- dna fingerprint — the use of a DNA probe for the identification of an individual, as for the matching of genes from a forensic sample with those of a criminal suspect.
- doctor's office — doctor's surgery
- donnybrook fair — a fair which until 1855 was held annually at Donnybrook, County Dublin, Ireland, and which was famous for rioting and dissipation.
- draughtproofing — Present participle of draughtproof.
- drift indicator — an instrument that indicates the amount of drift of an aircraft.
- drink deep (of) — to take in a large amount (of) by or as by drinking
- drug trafficker — someone that trades in illegal drugs
- dryland farming — a mode of farming, practiced in regions of slight or insufficient rainfall, that relies mainly on tillage methods rendering the soil more receptive of moisture and on the selection of suitable crops.
- dwarf poinciana — royal poinciana.
- editor in chief — the policy-making executive or principal editor of a publishing house, publication, etc.
- faculty advisor — a member of the faculty who gives advice to students
- faint-heartedly — nervously
- fair and square — free from bias, dishonesty, or injustice: a fair decision; a fair judge.
- fair-haired boy — having light-colored hair.
- fairy godfather — a kindly sponsor or guardian; godfather.
- fairy godmother — a kindly sponsor or guardian; godmother.
- fashion-forward — relating to, anticipating, or reflecting the most up-to-date fashion trends
- feather banding — decorative banding of veneer or inlay having the grain laid diagonally to the grain of the principal surface.
- featherstitched — Simple past tense and past participle of featherstitch.
- federal holiday — a day which is a national holiday at the behest of the Federal Government
- feeding grounds — the place where animals gather to find food
- ferric chloride — a compound that in its anhydrous form, FeCl 3 , occurs as a black-brown, water-soluble solid; in its hydrated form, FeCl 3 ⋅xH 2 O, it occurs in orange-yellow, deliquescent crystals: used chiefly in engraving, for deodorizing sewage, as a mordant, and in medicine as an astringent and styptic.
- ferrous sulfide — a dark or black metallic crystalline compound, FeS, insoluble in water, soluble in acids, used in ceramics and to generate hydrogen sulfide.
- feynman diagram — a network of lines that represents a series of emissions and absorptions of elementary particles by other elementary particles, from which the probability of the series can be calculated.
- fideicommissary — the recipient of a fideicommissum.
- fiduciary issue — an issue of banknotes not backed by gold