17-letter words containing s, g, i, a
- mystical theology — the branch of theology dealing with mysticism and mystical experiences.
- naked singularity — an infinitely dense point mass without a surrounding black hole
- navigation lights — lights on an aircraft
- navigation system — A navigation system is an instrument that determines the position of a vehicle and the route to a particular place.
- negative catalyst — an inhibitor.
- negative eugenics — the study of or belief in the possibility of improving the qualities of the human species or a human population, especially by such means as discouraging reproduction by persons having genetic defects or presumed to have inheritable undesirable traits (negative eugenics) or encouraging reproduction by persons presumed to have inheritable desirable traits (positive eugenics)
- negative transfer — the obstruction of or interference with new learning because of previous learning, as when a U.S. tourist in England learns to drive on the left side of the road.
- newspaper cutting — clipping from a news publication
- nightshade family — the plant family Solanaceae, characterized by herbaceous plants, trees, shrubs, and vines having alternate, simple or pinnate leaves, conspicuous flowers, and fruit in the form of a berry or capsule, and including belladonna, eggplant, nightshade, peppers of the genus Capsicum, petunia, potato, tobacco, and tomato.
- nitrogen narcosis — a semistupor, lightheadedness, or euphoria experienced by deep-sea divers when nitrogen from air enters the blood at higher than atmospheric pressure.
- non-assignability — capable of being specified: The word has no assignable meaning in our language.
- nondiscriminating — differentiating; analytical.
- nonteaching staff — employees within an academic or vocational environment whose jobs do not involve teaching
- nothing less than — You can use nothing less than to emphasize your next words, often indicating that something seems very surprising or important.
- nursing auxiliary — someone who performs duties such as washing and dressing patients, making beds, etc, in an establishment such as a hospital
- old age pensioner — An old age pensioner is a person who is old enough to receive an pension from their employer or the government.
- on speaking terms — the act, utterance, or discourse of a person who speaks.
- on the pig's back — successful; established
- on-street parking — parking (of a car, vehicle, etc) that is or is allowed to be done on a street
- opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- organic psychosis — a severe mental illness produced by damage to the brain, as a result of poisoning, alcoholism, disease, etc
- orifice discharge — Orifice discharge is a model for calculating how quickly a fluid will come out of a punctured vessel or pipe.
- osculating circle — circle of curvature.
- otolaryngologists — Plural form of otolaryngologist.
- oversquare engine — An oversquare engine is an engine which has a cylinder bore that is larger than its stroke.
- paradise regained — an epic poem (1671) by John Milton.
- paralysis agitans — Parkinson's disease
- paratungstic acid — an oxyacid acid of tungsten. Formula: H10W12O14
- partially sighted — unable to see properly so that even with corrective aids normal activities are prevented or seriously hindered
- pascal's triangle — a triangular arrangement of the binomial coefficients of the expansion (x + y) n for positive integral values of n.
- passenger station — a station used by passengers
- passenger traffic — number of passengers
- pate de foie gras — See under foie gras.
- physical training — fitness coaching
- picture messaging — Picture messaging is the sending of photographs or pictures from one mobile phone to another.
- pillion passenger — a person who travels in a seat or place behind the rider of a motorcycle, scooter, horse, etc
- pittsburg landing — a village in SW Tennessee, on the Tennessee River: battle of Shiloh in 1862.
- poison-arrow frog — a small, bright-colored terrestrial frog of the family Dendrobatidae, of Central and South American rain forests, that secretes a virulent poison from its skin, once used on the tips of Indian hunting arrows.
- portuguese guinea — former name of Guinea-Bissau.
- postural drainage — a therapy for clearing congested lungs by placing the patient in a position for drainage by gravity, often accompanied by percussion with hollowed hands.
- pre-investigation — the act or process of investigating or the condition of being investigated.
- precision casting — investment casting.
- pressure gradient — the change of pressure per unit distance
- progressive party — a political party formed in 1912 under the leadership of Theodore Roosevelt, advocating popular control of government, direct primaries, the initiative, the referendum, woman suffrage, etc.
- pseudepigraphical — certain writings (other than the canonical books and the Apocrypha) professing to be Biblical in character.
- pseudo-aggressive — characterized by or tending toward unprovoked offensives, attacks, invasions, or the like; militantly forward or menacing: aggressive acts against a neighboring country.
- pseudo-biological — pertaining to biology.
- psychodiagnostics — the study and evaluation of character or personality in terms of behavioral and anatomical traits, as gesture, posture and physiognomy.