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15-letter words containing f, e

  • as often as not — If you say that something happens as often as not, or more often than not, you mean that it happens fairly frequently, and that this can be considered as typical of the kind of situation you are talking about.
  • asian influenza — pandemic influenza caused by a strain of the influenza virus first isolated in Singapore in 1957
  • at first glance — If you say that something is true or seems to be true at first glance, you mean that it seems to be true when you first see it or think about it, but that your first impression may be wrong.
  • at full stretch — If you are at full stretch, your arm is straight and extended as far as possible, usually because you are trying to reach something that is almost too far away.
  • at the hands of — If someone experiences a particular kind of treatment, especially unpleasant treatment, at the hands of a person or organization, they receive it from them.
  • at the mercy of — in the power of
  • at the point of — very close to; on the verge of
  • at the touch of — You use at the touch of in expressions such as at the touch of a button and at the touch of a key to indicate that something is possible by simply touching a switch or one of the keys of a keyboard.
  • audio frequency — a frequency in the range 20 hertz to 20 000 hertz. A sound wave of this frequency would be audible to the human ear
  • auf wiedersehen — goodbye, until we see each other again
  • autofluorescent — Of, pertaining to, or exhibiting autofluorescence.
  • automatic rifle — a type of light machine gun capable of firing automatically or in single shots.
  • autotransformer — a transformer in which part of the winding is common to both primary and secondary circuits
  • avian influenza — an acute, usually fatal viral disease of chickens and other domestic and wild birds except pigeons, characterized by sudden onset of symptoms including fever, swollen head and neck, bluish-black comb and wattle, and difficult respiration.
  • axiom of choice — the axiom of set theory that given any collection of disjoint sets, a set can be so constructed that it contains one element from each of the given sets.
  • azobisformamide — (chemistry) azodicarbonamide.
  • babinski effect — the reflex curling upwards of the toes (instead of inwards) when the sole of the foot is stroked, normal in infants below the age of two but a pathological condition in adults
  • backup software — (tool, software)   Software for doing a backup, often included as part of the operating system. Backup software should provide ways to specify what files get backed up and to where. It may include its own scheduling function to automate the procedure or, preferably, work with generic scheduling facilities. It may include facilities for managing the backup media (e.g. maintaining an index of tapes) and for restoring files from backups. Examples are Unix's dump command and Windows's ntbackup.
  • ballpark figure — approximate number
  • bandpass filter — A bandpass filter is a filter designed to pass all frequencies within a band of frequencies.
  • bandstop filter — A bandstop filter is a filter designed to eliminate all frequencies within a band of frequencies.
  • bank of england — the central bank of the United Kingdom, which acts as banker to the government and the commercial banks. It is responsible for managing the government's debt and implementing its policy on other monetary matters: established in 1694, nationalized in 1946; in 1997 the government restored the authority to set interest rates to the Bank
  • baptism of fire — If someone who has just begun a new job has a baptism of fire, they immediately have to cope with very many severe difficulties and obstacles.
  • barberry family — the plant family Berberidaceae, characterized by shrubs and herbaceous plants having very varied leaves and flowers and fruit in the form of a berry or capsule, and including the barberry, May apple, and Oregon grape.
  • bare infinitive — an infinitive verb form without to, used with certain auxiliary verbs , as in I must go. All I did was ask. We might win.
  • barefoot doctor — (esp in developing countries) a worker trained as a medical auxiliary in a rural area who dispenses medicine, gives first aid, assists at childbirth, etc
  • battery farming — the activity of using batteries for raising poultry
  • battle of wills — A battle of wills is a situation that involves people who try to defeat each other by refusing to change their own aims or demands and hoping that their opponents will weaken first.
  • bay of campeche — the SW part of the Gulf of Mexico
  • bayonet fitting — a type of fastening in which a cylindrical member is inserted into a socket against spring pressure and turned so that pins on its side engage in slots in the socket
  • be delivered of — to give birth to
  • be of two minds — to be undecided or irresolute
  • be spoiling for — to have an aggressive desire for (a fight, etc)
  • beast of burden — A beast of burden is an animal such as an ox or a donkey that is used for carrying or pulling things.
  • beat oneself up — to reproach oneself
  • bedford heights — a town in N Ohio.
  • beef stroganoff — a dish of thin strips of beef cooked with onions, mushrooms, and seasonings, served in a sour-cream sauce
  • beef wellington — a lightly roasted beef fillet covered with pâté de foie gras, wrapped in pastry, and then baked
  • beefsteak plant — an Asian plant, Perilla frutescens crispa, with aromatic red or green leaves which are used in cooking: family Lamiaceae
  • beet leafhopper — a small leafhopper (Circulifer tenellus) that transmits a very destructive virus to sugar beets
  • before the fact — before the commission of the offence
  • before the mast — as an apprentice seaman
  • before the wind — with the wind coming from astern
  • belgian griffon — one of a variety of the Brussels griffon having a black or reddish-brown and black coat.
  • belief revision — (artificial intelligence)   The area of theory change in which preservation of the information in the theory to be changed plays a key role. A fundamental issue in belief revision is how to decide what information to retract in order to maintain consistency, when the addition of a new belief to a theory would make it inconsistent. Usually, an ordering on the sentences of the theory is used to determine priorities among sentences, so that those with lower priority can be retracted. This ordering can be difficult to generate and maintain. The postulates of the AGM Theory for Belief Revision describe minimal properties a revision process should have.
  • belted sandfish — a sea bass, Serranus subligarius, inhabiting warm, shallow waters of the western Atlantic Ocean.
  • benefit concert — a concert to raise money for charity
  • benefit in kind — a nonpecuniary benefit, such as a company car or medical insurance, given to an employee
  • benefit payment — a payment of money by the government to people who are ill, unemployed, poor or who have children
  • benefit society — an organization which, by means of dues, secures for its members certain benefits, such as life insurance, hospitalization, etc.
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