18-letter words containing l, f, r
- fire in your belly — If you say that someone has fire in their belly, you are expressing approval of them because they are energetic, enthusiastic, and have very strong feelings.
- firecracker flower — a plant, Dichelostemma ida-maia, of the amaryllis family, native to California and Oregon, having clusters of tubular scarlet flowers.
- first class module — (programming) A module that is a first class data object of the programming language, e.g. a record containing functions. In a functional language, it is standard to have first class programs, so program building blocks can have the same status.
- fischer von erlach — Johann Bernhard [yaw-hahn bern-hahrt] /ˈyɔ hɑn ˈbɛrn hɑrt/ (Show IPA), 1656–1723, Austrian architect.
- fissure of rolando — central sulcus.
- fissure of sylvius — lateral fissure.
- flat address space — (architecture) The memory architecture in which any memory location can be selected from a single contiguous block by a single integer offset. Almost all popular processors have a flat address space, but the Intel x86 family has a segmented address space. A flat address space greatly simplifies programming because of the simple correspondence between addresses (pointers) and integers.
- flat-bottomed rail — a rail having a cross section like an inverted T, with the top extremity enlarged slightly to form the head
- floating partition — a partition running parallel to and between two joists and resting on blocking between them.
- floating underflow — underflow
- floating-rate note — a eurobond, often issued as a negotiable bearer bond, that has a floating rate of interest
- flower arrangement — floral display
- flowers of sulphur — minute crystals of sulphur obtained by condensing sulphur vapour on a cold surface
- fluegelman, andrew — Andrew Fluegelman
- fluorescent screen — a transparent screen coated on one side with a phosphor that fluoresces when exposed to X-rays or cathode rays
- fluorodeoxyglucose — (carbohydrate) A fluorine analog of glucose that is used in positron emission tomography.
- football supporter — a person who supports a particular football team
- for good (and all) — for always; finally; permanently
- for the hell of it — the place or state of punishment of the wicked after death; the abode of evil and condemned spirits; Gehenna or Tartarus.
- for the life of me — If you say that you cannot for the life of you understand or remember something, you are emphasizing that you cannot understand or remember it, even if you try hard.
- forced development — the processing of underexposed photographic film to increase the image density
- forethoughtfulness — The condition of being forethoughtful.
- forget-me-not blue — a shade of blue similar to the shade of the flowers of a forget-me-not
- formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
- forward compatible — forward compatibility
- four-color problem — the problem, solved in 1976, of proving the theorem that any geographic map can be colored using only four colors so that no connected countries with a common boundary are colored the same color.
- four-legged friend — a four-legged animal, esp a dog
- fourth normal form — database normalisation
- fragile x syndrome — a widespread form of mental retardation caused by a faulty gene on the X chromosome.
- fragile-x syndrome — an inherited condition characterized by learning disability: affected individuals have an X-chromosome that is easily damaged under certain conditions
- frederick douglass — Frederick, 1817–95, U.S. ex-slave, abolitionist, and orator.
- free-range poultry — poultry kept in natural nonintensive conditions
- free-will offering — a voluntary religious contribution made in addition to what may be expected or required.
- fringe-toed lizard — an iguanid lizard, Uma notata, of sandy deserts of the western U.S. and Mexico, having a wedge-shaped snout and toes fringed with long, pointed scales.
- from first to last — all the way through
- fuller rose beetle — a beetle, Pantomorus godmani, that feeds on the leaves of roses as well as on those of citrus and other fruit trees.
- fulminating powder — powder that explodes by percussion.
- functional program — (language) A program employing the functional programming approach or written in a functional language.
- funeral procession — ceremonial cortège at a burial
- garden loosestrife — any of various plants belonging to the genus Lysimachia, of the primrose family, having clusters of usually yellow flowers, as L. vulgaris (garden loosestrife) or L. quadrifolia (whorled loosestrife)
- general confession — a prayer confessing sins
- go for the jugular — Anatomy. of or relating to the throat or neck. noting or pertaining to any of certain large veins of the neck, especially one (external jugular vein) collecting blood from the superficial parts of the head or one (internal jugular vein) collecting blood from within the skull.
- grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
- grandfather clause — U.S. History. a clause in the constitutions of some Southern states after 1890 intended to permit whites to vote while disfranchising blacks: it exempted from new literacy and property qualifications for voting those men entitled to vote before 1867 and their lineal descendants.
- granulated surface — a roughened surface
- grease the palm of — to influence by giving money to; bribe
- grist for the mill — If you say that something is grist for the mill, you mean that it is useful for a particular purpose or helps support someone's point of view.
- gulf of california — an arm of the Pacific Ocean, between Sonora and Lower California
- gulf stream system — a major ocean-current system consisting of the Gulf Stream and the Florida and North Atlantic currents.
- half-open interval — a set of numbers between two given numbers but including only one endpoint.