12-letter words containing r, f, c
- irreflection — lack of careful or long consideration
- irreflective — Without mental reflection.
- jaculiferous — having dartlike spines.
- jet aircraft — A jet aircraft is an aircraft that is powered by one or more jet engines.
- kupfernickel — (archaic) cupronickel.
- labour force — The labour force consists of all the people who are able to work in a country or area, or all the people who work for a particular company.
- lachrymiform — Shaped like a teardrop.
- laffer curve — a relationship postulated between tax rates and tax receipts indicating that rates above a certain level actually produce less revenue because they discourage taxable endeavors and vice versa.
- larch sawfly — a red and black sawfly, Pristiphora erichsonii, the larvae of which infest and feed on the leaves of larch.
- laticiferous — bearing or containing latex.
- leaf-climber — a plant that climbs by using leaves specialized as tendrils
- left bracket — (character) "[". ASCII character 91. Common: left square bracket; ITU-T: opening bracket; bracket. Rare: square; INTERCAL: U turn. Paired with right bracket ("]").
- leif ericson — Leif [leef;; Icelandic leyv] /lif;; Icelandic leɪv/ (Show IPA), flourished a.d. c1000, Norse mariner: according to Icelandic saga, discoverer of Vinland (son of Eric the Red).
- line officer — a military or naval officer serving with combatant units or warships, as distinguished from a staff officer, supply officer, etc.
- loan officer — a bank employee who helps would-be borrowers get a loan
- lock forward — either of two players who make up the second line of the scrum and apply weight to the forwards in the front line
- logical form — the syntactic structure that may be shared by different expressions as abstracted from their content and articulated by the logical constants of a particular logical system, esp the structure of an argument by virtue of which it can be shown to be formally valid. Thus John is tall and thin, so John is tall has the same logical form as London is large and dirty, so London is large, namely P & Q, so P
- loriciferans — Plural form of loriciferan.
- lovecraftian — referring to or reminiscent of the work of the American fantasy and horror fiction author H.P. Lovecraft (1870–1937)
- lumbriciform — resembling a lumbricus; wormlike
- macrofossils — Plural form of macrofossil.
- malefactress — a woman who violates the law or does evil.
- manufactural — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
- manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
- manufacturer — a person, group, or company that owns or runs a manufacturing plant.
- manufactures — Plural form of manufacture.
- mary of teck — Mary (def 4).
- mercifulness — full of mercy; characterized by, expressing, or showing mercy; compassionate: a merciful God.
- mercy flight — an aircraft flight to bring a seriously ill or injured person to hospital from an isolated community
- microfibrils — Plural form of microfibril.
- microfibrous — Composed of microscopic fibres.
- microfilaria — the embryonic larva of the nematode parasite Filaria or of related genera, especially of those species that cause heartworm in dogs and elephantiasis in humans.
- microfilming — Present participle of microfilm.
- microfinance — (finance) Finance that is provided to unemployed or low-income people or groups.
- microfluidic — Of, pertaining to, or using microfluidics.
- microforceps — (surgery) A very small forceps.
- microfossils — a fossil so small that it can be studied and identified only with a microscope.
- misconfigure — Configure (a system or part of it) incorrectly.
- misinference — Incorrect inference.
- misreference — to reference (an academic work, a publication, etc) inaccurately or incorrectly
- modificatory — modifying.
- moire effect — the appearance, when two regularly spaced sets of lines are superimposed, of a new set of lines (moiré pattern) passing through the points where the original lines cross at small angles.
- moschiferous — giving off or producing musk
- mother craft — a spaceship providing facilities and supplies for a number of smaller craft, or for astronauts
- motherfucker — a mean, despicable, or vicious person.
- muffle color — Ceramics. a color fired onto an object in a muffle kiln.
- multifractal — (mathematics) Describing a system that is fractal in multiple ways.
- multifurcate — forked; branching.
- muscle fiber — one of the structural cells of a muscle.
- muscle fibre — any of the numerous elongated contractile cells that make up striated muscle