16-letter words containing t, r, i, f
- front projection — a display system that projects an enlarged television picture on the front surface of a reflective screen.
- frontier dispute — a conflict concerning a frontier between countries and which usually involves those countries
- frontier orbital — the highest-energy occupied orbital or lowest-energy unoccupied orbital in a molecule. Such orbitals have a large influence on chemical properties
- ft share indexes — any of a number of share indexes published by the Financial Times to reflect various aspects of stock exchange prices
- full to the brim — If something, especially a container, is filled to the brim or full to the brim with something, it is filled right up to the top.
- functional group — a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.
- functional water — water containing additives that provide extra nutritional value
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- furniture polish — product: shines wood
- garfield heights — a city in NE Ohio, near Cleveland.
- gazetted officer — (in India) a senior official whose appointment is published in the government gazette
- gentleman friend — a man with whom a woman is romantically involved; suitor.
- gift certificate — a certificate entitling the bearer to select merchandise of a specified cash value from a store, usually presented as a gift.
- go off the rails — If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example they start taking drugs or breaking the law.
- go with the turf — to be an unavoidable part of a particular situation or process
- go-faster stripe — a decorative line, intended to be suggestive of high speed, on the bodywork of a car
- gold certificate — a former U.S. paper currency issued by the federal government for circulation from 1865 to 1933, equal to and redeemable for gold to a stated value.
- good-for-nothing — worthless; of no use.
- grapefruit juice — nectar of the grapefruit
- gravity platform — (in the oil industry) a drilling platform that rests directly on the sea bed and is kept in position by its own weight; it is usually made of reinforced concrete
- group identifier — (operating system) (gid) A unique number, between 0 an 32767, identifying a set of users under Unix. Gids are found in the /etc/passwd and /etc/group databases (or their NIS equivalents) and one is also associated with each file, indicating the group to which its group permissions apply.
- haptic interface — (interface, hardware) A touch interface to a computer that provides feedback, such as a data glove.
- harvest festival — religious celebration of crops gathered
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- have no time for — not tolerate
- headhunting firm — a recruiting agency
- heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- hyper-conformity — action in accord with prevailing social standards, attitudes, practices, etc.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- if it wasn't for — If you talk about what would happen if it wasn't for someone or something, you mean that they are the only thing that is preventing it from happening.
- imperfect flower — a unisexual flower with only stamens or only pistils
- imperfect fungus — a fungus for which only the asexual reproductive stage is known, as any fungus of the Fungi imperfecti.
- imperfect market — a market where buyers or sellers can influence the market, and there is a lack of product information
- imperfectability — The quality of not being perfectable; of being forever imperfect.
- imperfectibility — The state or quality of being imperfectible.
- imperfectiveness — (grammar) The state or quality of being imperfective.
- in finite series — a sequence of numbers in which an infinite number of terms are added successively in a given pattern; the sequence of partial sums of a given sequence.
- in the course of — If something happens in the course of a particular period of time, it happens during that period of time.
- in the nature of — essentially the same as; by way of
- in the region of — You say in the region of to indicate that an amount that you are stating is approximate.
- in the throes of — If you are in the throes of doing or experiencing something, especially something difficult, you are busy doing it or are deeply involved in it.
- infant mortality — death during infancy
- infinite product — a sequence of numbers in which an infinite number of terms are multiplied together.
- infinite regress — causal or logical relationship of terms in a series without the possibility of a term initiating the series.
- inflationary gap — the excess of total spending in an economy over the value, at current prices, of the output it can produce
- information desk — helpdesk, information point
- information pack — a set of leaflets giving information about something