15-letter words containing t, i, f, o
- peter of amiens — c1050–1115, French monk: preacher of the first Crusade 1095–99.
- photorefractive — of or relating to a change in the index of refraction by spatial variations of the light intensity, as in a laser.
- pinkster flower — a wild azalea, Rhododendron periclymenoides, of the U.S., having pink or purplish flowers.
- platform tennis — a variation of tennis played on a wooden platform enclosed with chicken wire in which the players hit a rubber ball with wooden paddles following the same basic rules as tennis except that only one serve is permitted and balls can be played off the back and side fences.
- platform ticket — a pass allowing a visitor to enter upon a railroad platform from which those not traveling are ordinarily excluded.
- play favourites — to display favouritism
- point of honour — a circumstance, event, etc, that involves the defence of one's principles, social honour, etc
- pontifical mass — (sometimes lowercase) Roman Catholic Church. a High Mass celebrated by a bishop or other prelate.
- position effect — the alteration in the expression of a gene or genetic region due to its relocation within the genome as a result of inversion or translocation.
- post office box — (in a post office) a locked compartment into which the mail of a box renter is put to be called for. Abbreviation: POB, P.O.B.
- post-office box — (in a post office) a locked compartment into which the mail of a box renter is put to be called for. Abbreviation: POB, P.O.B.
- posttransfusion — occurring after or as a result of a transfusion
- poultry farming — breeding and keeping fowl
- pre-reformation — the act of reforming; state of being reformed.
- prefix notation — (language) (Or "prefix syntax") One of the possible orderings of functions and operands: in prefix notation the function precedes all its operands. For example, what may normally be written as "1+2" becomes "(+ 1 2)". A few languages (e.g., lisp) have strictly prefix syntax, many more employ prefix notation in combination with infix notation. The opposite, postfix notation, is somewhat rarer.
- preformationism — the belief in the theory of preformation
- preformationist — someone who advocates the theory of preformation
- premodification — an act or instance of modifying.
- prenotification — notice that is given or served prior to a specific date; advance notice.
- preverification — the state of being verified.
- price inflation — inflation fuelled by rising prices
- printing office — a shop or factory in which printing is done.
- professionalist — to give a professional character or status to; make into or establish as a profession.
- profit and loss — the gain and loss arising from commercial or other transactions, applied especially to an account or statement of account in bookkeeping showing gains and losses in business.
- proper fraction — a fraction having the numerator less, or lower in degree, than the denominator.
- proper function — eigenfunction.
- public footpath — a footpath along which the public has right of way
- purified cotton — bleached and sterilized cotton from which the gross impurities, such as the seeds and waxy matter, have been removed: used for surgical dressings, tampons, etc
- put into effect — law, rule: enforce
- quality of life — comfort and enjoyment in one's existence
- quality-of-life — affecting the quality of urban life: such quality-of-life crimes as fare-beating and graffiti writing.
- quantifications — Plural form of quantification.
- question of law — a question concerning a rule or the legal effect or consequence of an event or circumstance, usually determined by a court or judge.
- re-notification — a formal notifying or informing.
- reafforestation — replanting with trees
- reality fiction — a satirical parody of a reality TV show
- recertification — the act of certifying.
- reconfiguration — to change the shape or formation of; remodel; restructure.
- reference point — a point used to find or describe the location of something
- refined fortran — (RF) Similar to Refined C. Research implementations only. "Refined Fortran: Another Sequential Language for Parallel Programming," H.G. Dietz et al, Proc 1986 Intl Conf Parallel Proc, pp.184-191.
- reflexivization — to make (a verb or pronoun) reflexive.
- refortification — the act or state of being refortified
- refuelling stop — a stop made so that fresh fuel can be supplied (to an aircraft, vehicle, etc)
- register office — building where civil records are kept
- registry office — a government office and depository in which records and civil registers are kept and civil marriages performed.
- reign of terror — a period of the French Revolution, from about March, 1793, to July, 1794, during which many persons were ruthlessly executed by the ruling faction.
- requalification — a quality, accomplishment, etc., that fits a person for some function, office, or the like.
- respecification — the act of specifying.
- retroreflection — of or relating to a surface, material, or device (retroreflector) that reflects light or other radiation back to its source; reflective.
- retroreflective — of or relating to a surface, material, or device (retroreflector) that reflects light or other radiation back to its source; reflective.