21-letter words containing f, l

of one's own volition — If you do something of your own volition, you do it because you have decided for yourself that you will do it and not because someone else has told you to do it.
of your own free will — out of choice
open telecom platform — (communications, library) (OTP) A set of standard, open source libraries and tools for use with Erlang.
operational amplifier — a high-gain, high-input impedance amplifier, usually an integrated circuit, that can perform mathematical operations when suitably wired.
pacific daylight time — the version of Pacific Standard Time that is in use when daylight saving time is being observed
partial reinforcement — the process of randomly rewarding an organism for making a response on only some of the occasions it makes it
pellitory-of-the-wall — an urticaceous plant, P. diffusa, of the S and W European genus Parietaria, which grows in crevices and has long narrow leaves and small pink flowers
performance appraisal — the assessment, at regular intervals, of an employee's performance at work
peroxydisulfuric acid — persulfuric acid (def 2).
piero della francesca — Piero della [pee-air-oh del-uh;; Italian pye-raw del-lah] /piˈɛər oʊ ˈdɛl ə;; Italian ˈpyɛ rɔ ˈdɛl lɑ/ (Show IPA), (Piero dei Franceschi) c1420–92, Italian painter.
place of articulation — the location at which two speech organs approach or come together in producing a speech sound, as in the contact of the tongue and the teeth to form a dental sound. Also called point of articulation. Compare articulator (def 2).
place of safety order — (in Britain) under the Children and Young Persons Act 1969, an order granted by a justice to a person or agency granting authority to detain a child or young person and take him or her to a place of safety for not more than 28 days, because of the child's actual or likely ill-treatment or neglect, etc
play with a full deck — Nautical. a floorlike surface wholly or partially occupying one level of a hull, superstructure, or deckhouse, generally cambered, and often serving as a member for strengthening the structure of a vessel. the space between such a surface and the next such surface above: Our stateroom was on B deck.
point of articulation — place of articulation.
prefect of discipline — a senior master in a Jesuit school or college
professional services — (job) A department of a supplier providing consultancy and programming manpower for the supplier's products.
pseudo-cleft sentence — cleft sentence (def 2).
psychological warfare — the use of propaganda, threats, and other psychological techniques to mislead, intimidate, demoralize, or otherwise influence the thinking or behavior of an opponent.
pull oneself together — to draw or haul toward oneself or itself, in a particular direction, or into a particular position: to pull a sled up a hill.
pull sth out of a hat — To pull something out of the hat means to do something unexpected which helps you to succeed, often when you are failing.
purple-fringed orchid — either of two orchids, Habenaria fimbriata or H. psycodes, of eastern North America, having a cluster of fragrant purple flowers with a fringed lip.
purple-fringed orchis — either of two North American orchids (Habenaria psycodes and H. fimbriata) with purple-fringed flowers
reconnaissance flight — a flight made by an aircraft in order to obtain military information about a particular place
referential integrity — (database) A collection of properties which should be possessed by data in a relational database. For example, in a database of family members, if we enter A as a spouse of B, we should also enter B as a spouse of A. Similarly, if we remove one end of the relationship we should also remove the other.
roll-on-roll-off ship — a cargo ship or ferry designed so that vehicles can be driven straight on and straight off
safe in the knowledge — If you do something safe in the knowledge that something else is the case, you do the first thing confidently because you are sure of the second thing.
sales finance company — a finance company that purchases, at a discount, installment contracts from dealers or that finances retail sales.
scarlet monkey flower — any of various plants belonging to the genus Mimulus, of the figwort family, as M. cardinalis (scarlet monkey flower) having spotted flowers that resemble a face.
school of hard knocks — the experience gained from living, especially from disappointment and hard work, regarded as a means of education: The only school he ever attended was the school of hard knocks.
school of the soldier — an institution where instruction is given, especially to persons under college age: The children are at school.
self-characterization — portrayal; description: the actor's characterization of a politician.
semantic differential — a technique for measuring the connotative meaning of concepts by having an individual rate each concept on a series of graduated scales, each scale defined by a pair of polar adjectives, as good–bad or strong–weak.
set the world on fire — the earth or globe, considered as a planet.
silicon tetrafluoride — a colorless, fuming gas, SiF 4 , used chiefly in the manufacture of fluosilicic acid.
single parent benefit — a form of government funded financial assistance paid to single parents
skeleton at the feast — a person or event that brings gloom or sadness to an occasion of joy or celebration
social stratification — the act or an instance of stratifying.
sovereign wealth fund — an investment fund created using the financial assets of a national government
split-finger fastball — a type of fastball that sinks abruptly as it nears home plate, thrown with the grip used for a forkball
split-screen facility — a facility allowing different scenes to be shown on screen at the same time
spotted alfalfa aphid — a pale yellowish aphid, Therioaphis maculata, of the southern U.S., especially west of the Mississippi River, that is marked with black spots and has fine spines on its back: a pest mainly of alfalfa and some other legumes, as clover.
statistical inference — the theory, methods, and practice of forming judgments about the parameters of a population, usually on the basis of random sampling
steer clear of sb/sth — If you steer clear of someone or something, you deliberately avoid them.
stem-and-leaf diagram — a histogram in which the data points falling within each class interval are listed in order
stockholder of record — a stockholder or his or her agent whose name is registered on the books of the issuing corporation at the close of a business day set for determining that stockholders shall receive dividends or vote on an issue.
supplementary benefit — (formerly) an extra amount of money that is paid to someone by the government, in addition to their normal income. Replaced by income support in 1988
surface of revolution — a surface formed by revolving a plane curve about a given line.
take one's (own) life — to commit suicide
territoire de belfort — a department of E France, now in Franche-Comté region: the only part of Alsace remaining to France after 1871. Capital: Belfort. Pop: 139 383 (2003 est). Area: 608 sq km (237 sq miles)
tetrabromofluorescein — eosin (def 1).

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