14-letter words containing a, f, l
- flotation bags — bags inflated to keep a spacecraft or helicopter afloat and upright when it lands in the sea
- flotation tank — an enclosed ventilated tank filled with a saline solution at body temperature, in which a person floats in darkness in order to relax or meditate
- flotsam-jetsam — the part of the wreckage of a ship and its cargo found floating on the water. Compare jetsam, lagan.
- flowering crab — any of several species and varieties of crab apple trees with small fruits and abundant spring flowers ranging from white to reddish purple
- flowering flax — a plant, Linum grandiflorum, of northern Africa, having quickly fading, red or pink flowers.
- flowers of tan — a common slime mold, Fuligo septica, of the central and eastern U.S., having large sporophores and yellowish, foamy plasmodia, that during a wet growing season may spread to cover large areas of lawns, woody debris, and growing plants.
- fluid dynamics — the branch of fluid mechanics dealing with the properties of fluids in motion.
- fluoboric acid — a clear, colorless liquid, HBF 4 , that ionizes abundantly in solution, used chiefly in the synthesis of fluoborates.
- fluoridization — to treat, impregnate, or affect with a fluoride.
- fluorochemical — a chemical compound containing fluorine.
- flying gangway — monkey bridge (def 2).
- flying gurnard — any marine fish of the family Dactylopteridae, especially Dactylopterus volitans, having greatly enlarged, colorful pectoral fins that enable it to glide short distances through the air.
- flying machine — a vehicle that sustains itself in and propels itself through the air; an airplane, helicopter, glider, or the like.
- flying trapeze — a trapeze used in performing gymnastic displays high above the ground
- foamed plastic — expanded plastic.
- focal distance — the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f.
- foley catheter — an indwelling catheter used for draining urine from the bladder and having an inflatable part at the bladder end that allows the tube to be kept in place for variable time periods.
- foliated joint — a joint between the rabbeted and overlapping edges of two boards, forming a continuous surface on each side.
- follow the sea — to make one's living by serving on oceangoing ships
- follow-up call — a telephone call made as a follow-up to a letter, fax, meeting, etc
- follow-up care — care provided for a patient after medical or surgical treatment
- fonthill abbey — a ruined Gothic Revival mansion in Wiltshire: rebuilt (1790–1810) for William Beckford by James Wyatt; the main tower collapsed in 1800 and, after rebuilding, again in 1827
- food labelling — the practice of providing nutritional information on labels on food packaging
- fool's-parsley — an Old World fetid, poisonous plant, Aethusa cynapium, resembling parsley.
- foolscap sheet — a sheet of foolscap paper
- foot patrolman — a policeman assigned to patrol a particular area on foot
- football field — ground where soccer is played
- football match — a match played between two football teams
- football pitch — ground where soccer is played
- football pools — If you do the football pools, you take part in a gambling competition in which people try to win money by guessing the results of football matches.
- footplatewoman — a female footplate worker
- for all i care — I am completely indifferent
- forced landing — aircraft: emergency descent
- foreseeability — to have prescience of; to know in advance; foreknow.
- forisfamiliate — to free from paternal authority
- formal grammar — a set of syntactically valid formation rules of a formal language
- formal methods — (mathematics, specification) Mathematically based techniques for the specification, development and verification of software and hardware systems.
- formally valid — (of an inference or argument) when the inference is justified by the form of the premises and conclusion alone. Thus Tom is a bachelor; therefore Tom is unmarried is valid but not formally so, while today is hot and dry; therefore today is hot is formally valid
- formidableness — The quality of being formidable.
- formula weight — (of a molecule) molecular weight.
- fort mcclellan — a military reservation and U.S. Army training center in NE Alabama, NE of Anniston.
- foundationally — the basis or groundwork of anything: the moral foundation of both society and religion.
- foundationless — Without foundation; unfounded.
- fountain plant — Joseph's-coat.
- fowl paralysis — Marek's disease.
- foxtail millet — a grass, Setaria italica, of numerous varieties, introduced into the U.S. from Europe and Asia, and grown chiefly for use as hay.
- fractionalised — Simple past tense and past participle of fractionalise.
- fractionalized — Simple past tense and past participle of fractionalize.
- framing chisel — a woodworking chisel for heavy work and deep cuts, often having a handle reinforced to withstand blows from a metal hammer head.
- franklin stove — a cast-iron stove having the general form of a fireplace with enclosed top, bottom, side, and back, the front being completely open or able to be closed by doors.