13-letter words containing r, e, f, i, l
- colour filter — a thin layer of coloured gelatine, glass, etc, that transmits light of certain colours or wavelengths but considerably reduces the transmission of others
- columelliform — like a columella.
- computer file — file
- conflagrative — That produces conflagration.
- coralliferous — bearing or containing coral
- coreferential — (of more than one linguistic expression) designating the same individual or class
- cornfield ant — a small, brown ant, Lasius alienus, that lives in cornfields and feeds on honeydew of the corn-root aphid.
- counterfeitly — in a counterfeit manner
- craftsmanlike — Resembling or characteristic of a craftsman.
- cross-fertile — capable of cross-fertilization or of being cross-fertilized
- crosscut file — a file having two intersecting rows of teeth
- culture fluid — the fluid used as a medium for growing microorganisms
- 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
- 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.
- defloration's — the act of deflowering.
- deformability — Deformability is the degree to which applying a force can make a particle or solid change shape.
- deformational — of or relating to deformation
- delirifacient — anything that causes or induces delirium
- desulfuration — to desulfurize.
- differentials — Plural form of differential.
- 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.
- 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.
- 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
- express rifle — a high-velocity hunting rifle for big game shooting
- extrafamilial — Outside a family.
- fabric filter — A fabric filter is a type of filter in which solids are removed from a gas by passing it though a fabric.
- fairly-traded — bought from the producer at a guaranteed price
- fairy-slipper — Calypso (def 2).
- false horizon — a line or plane that simulates the horizon, used in altitude-measuring devices or the like.
- false vampire — any large, carnivorous bat of the families Megadermatidae and Phyllostomatidae, of Africa, Asia, and Australia, erroneously reputed to suck the blood of animals and humans.
- familiarities — Plural form of familiarity.
- family circle — the closely related members of a family as a group.
- family credit — (formerly, in Britain) a means-tested allowance paid to low-earning families with one or more dependent children and one or both parents in work: replaced by Working Families' Tax Credit in 1999
- family friend — intimate acquaintance of one's family
- farkleberries — Plural form of farkleberry.
- faroe islands — islands in Atlantic Ocean
- father-in-law — the father of one's husband or wife.
- fault breccia — angular rock fragments produced by fracture and grinding during faulting and distributed within or adjacent to the fault plane.