16-letter words containing o, r, t, h

flatheaded borer — the larva of a metallic wood-boring beetle, having an expanded and flattened anterior end.
flight formation — an arrangement of two or more airplanes flying together in a group, usually in a predetermined pattern.
flight indicator — artificial horizon (def 3).
flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
floridean starch — the storage polysaccharide of red algae.
follow the crowd — copy what others are doing
food for thought — sth worth thinking about
fool around with — have casual sex
foot in the door — If you say that something helps someone to get their foot in the door or their toe in the door, you mean that it gives them an opportunity to start doing something new, usually in an area that is difficult to succeed in.
for the duration — If you say that something will happen for the duration, you mean that it will happen for as long as a particular situation continues.
for the meantime — For the meantime means for a period of time from now until something else happens.
forbid the banns — to raise an objection to a marriage announced in this way
forefathers' day — the anniversary of the day (December 21, 1620, in Old Style December 11) on which the Pilgrims landed at Plymouth, Mass. Owing to an error in changing the date from the Old Style to the New, it is generally observed on December 22.
forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
formylmethionine — Alternative spelling of formyl methionine.
fort leavenworth — a military reservation and U.S. Army training center in E Kansas adjoining Leavenworth, one of the oldest (1827) military posts W of the Mississippi and site of federal penitentiary.
fort sam houston — a military reservation and U.S. Army training center in San Antonio, Tex.
forward-thinking — planning or tending to plan for the future; forward-looking.
fourth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
fourth dimension — Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time.
frankfurt school — a school of thought, founded at the University of Frankfurt in 1923 by Theodor Adorno, Herbert Marcuse and others, derived from Marxist, Freudian, and Hegelian theory
fraternity house — a house occupied by a college or university fraternity.
freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
french community — a cultural and economic association of France, its overseas departments and territories, and former French territories that chose to maintain association after becoming independent republics: formed 1958.
french directory — the body of five directors in power in France from 1795 until their overthrow by Napoleon in 1799
french telephone — handset (def 1).
from one's heart — very sincerely or deeply
from the word go — to move or proceed, especially to or from something: They're going by bus.
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.
furniture polish — product: shines wood
gastroesophageal — Of or relating to the stomach and to the esophagus.
general hospital — A general hospital is a hospital that does not specialize in the treatment of particular illnesses or patients.
geochronologists — Plural form of geochronologist.
geostrophic wind — a wind whose velocity and direction are mathematically defined by the balanced relationship of the pressure gradient force and the Coriolis force: conceived as blowing parallel to isobars.
geothermal power — power generated using steam produced by heat emanating from the molten core of the earth
gerontomorphosis — Biology. evolutionary specialization of a species to a degree that decreases its capability for further adaptation and eventually leads to its extinction.
girls' night out — an evening spent outside of the home by a group of women
glory-of-the-sun — a bulbous, Chilean plant, Leucocoryne ixioides, of the amaryllis family, having fragrant, white or blue flowers.
glottochronology — the branch of lexicostatistics that studies the rate of replacement of vocabulary and attempts to determine what percentage of basic vocabulary two presently distinct but related languages share, using the information thus obtained to estimate how long ago they ceased being a single language.
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 over the hill — a natural elevation of the earth's surface, smaller than a mountain.
go with the turf — to be an unavoidable part of a particular situation or process
gold star mother — an American woman whose son or daughter has died while serving in the United States Armed Forces
golden parachute — an employment contract or agreement guaranteeing a key executive of a company substantial severance pay and other financial benefits in the event of job loss caused by the company's being sold or merged.
good-for-nothing — worthless; of no use.
good-heartedness — the quality of being good-hearted
government house — the official residence of a colonial governor, as in a British Commonwealth country.
graphics adaptor — (hardware, graphics) (Or "graphics adapter", "graphics card", "video adaptor", etc.) A circuit board fitted to a computer, especially an IBM PC, containing the necessary video memory and other electronics to provide a bitmap display. Adaptors vary in the resolution (number of pixels) and number of colours they can display, and in the refresh rate they support. These parameters are also limited by the monitor to which the adaptor is connected. A number of such display standards, e.g. SVGA, have become common and different software requires or supports different sets.
great blue heron — a large American heron, Ardea herodias, having bluish-gray plumage.
great horned owl — a large, brown-speckled owl, Bubo virginianus, common in the Western Hemisphere, having prominent ear tufts.

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