20-letter words containing a, g, r, d, t, i
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- ring-necked parakeet — a small brightly coloured long-tailed tropical parrot, Psittacula krameri, often kept as a pet
- ring-necked pheasant — a gallinaceous Asian bird, Phasianus colchicus, having a white band around its neck, introduced into Great Britain, North America, and the Hawaiian Islands.
- saint mary magdalene — a woman of Magdala (ˈmæɡdələ ) in Galilee whom Jesus cured of evil spirits (Luke 8:2) and who is often identified with the sinful woman of Luke 7:36–50. In Christian tradition she is usually taken to have been a prostitute. Feast day: July 22
- sarcastic fringehead — any fish of the genus Neoclinus, characterized by a row of fleshy processes on the head, as N. blanchardi (sarcastic fringehead) of California coastal waters.
- schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
- self-differentiating — to form or mark differently from other such things; distinguish.
- shoulder-length hair — hair that reaches a person's shoulders
- st.-germain-des-pres — an area in Paris, on the Left Bank.
- standstill agreement — law: between company and bidder
- synchronized skating — the art or sport of teams of up to twenty skaters holding onto each other and moving in patterns in time to music
- temperature gradient — rate of change of temperature with distance.
- terrestrial guidance — a method of missile or rocket guidance in which the flight path is controlled by reference to the strength and direction of the earth's gravitational or magnetic field
- tetrahydrogestrinone — a synthetic anabolic steroid. Formula: C21H28O2
- the (great) pyramids — the three large pyramids at Gîza, Egypt: the largest is the Pyramid of Khufu
- the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
- the garment industry — the manufacturing of items of clothing
- the hearing impaired — people whose hearing is partially defective
- to spread your wings — If you spread your wings, you do something new and rather difficult or move to a new place, because you feel more confident in your abilities than you used to and you want to gain wider experience.
- traditional marriage — Anthropology. the primary established form of marriage recognized in a given country or religious or social group at a given time: In that culture, traditional marriage requires the families of the future bride and groom to engage in ritual visits and exchange gifts.
- trailing vortex drag — drag arising from vortices that occur behind a body moving through a gas or liquid
- transcendental logic — (in Kantian epistemology) the study of the mind with reference to its perceptions of external objects and to the objective truth of such perceptions.
- tubing head pressure — The tubing head pressure is the pressure on the tubing, which is measured at the wellhead.
- vertical lift bridge — lift bridge.
- walton and weybridge — a city in Surrey, SE England: a London suburb.
- weights and measures — units or standards of measurement
- wide-angle converter — a person or thing that converts.
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.