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17-letter words containing f, i, c, t

  • reflection nebula — a cloud of interstellar gas and dust that reflects the light of neighboring stars.
  • refractory period — a short period after a nerve or muscle cell fires during which the cell cannot respond to additional stimulation.
  • refuse collection — the collection of rubbish and waste, usually in a rubbish or refuse truck, before final disposal
  • registered office — official business address
  • resurrection fern — a drought-resistant, evergreen, epiphytic fern, Polypodium polypodioides, of subtropical to tropical America, appearing to be a ball of coiled, dead leaves in the dry season but reviving with moisture.
  • return of capital — A return of capital is a situation in which you receive back money that was previously invested.
  • returning officer — a public official appointed to conduct and preside at an election.
  • rheumatoid factor — an antibody that is found in the blood of many persons afflicted with rheumatoid arthritis and that reacts against globulins in the blood.
  • rock of gibraltar — a British crown colony comprising a fortress and seaport located on a narrow promontory near the S tip of Spain. 1.875 sq. mi. (5 sq. km).
  • rotation of crops — a system of rotating in a fixed order the kinds of crops, as grain or grass, grown in the same field, to maintain soil fertility
  • rush-hour traffic — the large number of vehicles that move along roads, travelling to or from work at the beginning and end of the working day
  • safety inspection — an inspection of a place carried out to ensure that it is safe and not dangerous
  • safety precaution — a precaution that is taken in order to ensure that something is safe and not dangerous
  • scarlet firethorn — a Eurasian evergreen, thorny shrub, Pyracantha coccinea, of the rose family, having white, hairy flower clusters and bright red berries.
  • schiff-s--reagent — a solution of rosaniline and sulfurous acid in water, used to test for the presence of aldehydes.
  • scientific method — a method of research in which a problem is identified, relevant data are gathered, a hypothesis is formulated from these data, and the hypothesis is empirically tested.
  • scientific theory — a coherent group of propositions formulated to explain a group of facts or phenomena in the natural world and repeatedly confirmed through experiment or observation: the scientific theory of evolution.
  • scratch 'n' sniff — denoting a product that releases a smell when scratched
  • self-appreciation — gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
  • self-commendation — the act of commending; recommendation; praise: commendation for a job well done.
  • self-condemnation — the act of condemning.
  • self-conditioning — Also called operant conditioning, instrumental conditioning. a process of changing behavior by rewarding or punishing a subject each time an action is performed until the subject associates the action with pleasure or distress.
  • self-confirmation — the act of confirming.
  • self-consecration — the act of setting oneself to a task or vocation without ordination by others or by a religious body.
  • self-conservation — the act of conserving; prevention of injury, decay, waste, or loss; preservation: conservation of wildlife; conservation of human rights.
  • self-constituting — to compose; form: mortar constituted of lime and sand.
  • self-depreciating — self-deprecating.
  • self-dissociation — an act or instance of dissociating.
  • self-emancipation — the act of emancipating.
  • self-incompatible — not capable of self-pollination.
  • self-introduction — the act of introducing or the state of being introduced.
  • self-purification — a natural process of purifying, as the ability of a body of water to rid itself of pollutants.
  • self-recollection — the act or power of recollecting, or recalling to mind; remembrance.
  • self-renunciation — renunciation of one's own will, interests, etc.
  • self-reproduction — the act or process of reproducing.
  • self-satisfaction — a usually smug satisfaction with oneself, one's achievements, etc.
  • semi-manufactured — the making of goods or wares by manual labor or by machinery, especially on a large scale: the manufacture of television sets.
  • share certificate — a certificate of deposit issued by a credit union.
  • sign of the cross — a movement of the hand to indicate a cross, as from forehead to breast and left shoulder to right or, in the Eastern Orthodox Church, from right shoulder to left.
  • significance test — (in hypothesis testing) a test of whether the alternative hypothesis achieves the predetermined significance level in order to be accepted in preference to the null hypothesis
  • significant other — Sociology. a person, as a parent or peer, who has great influence on one's behavior and self-esteem.
  • silicon rectifier — a rectifier consisting of a semiconductor diode using crystalline silicon
  • silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
  • simplicity itself — If you say that something is simplicity itself, you are emphasizing that it is very simple or easy.
  • sister of charity — a member of one of several congregations of sisters founded in 1634 by St. Vincent de Paul.
  • softvelocity inc. — (company)   The distributors of the Clarion family of application development systems.
  • south west africa — a former name of Namibia.
  • south-west africa — a former name of Namibia.
  • spaghettification — the theoretical stretching of an object as it encounters extreme differences in gravitational forces, especially those associated with a black hole.
  • spatial frequency — the measure of fine detail in an optical image in terms of cycles per millimetre
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