20-letter words containing r, i, n, g, d, o
- regional development — aid-giving to poorer areas or countries
- revolving presidency — a form of presidency in which the president and vice-president, or countries or bodies acting as such, switch roles after a set period and then back again and so on
- ring wall foundation — A ring wall foundation is a base made of concrete, used to put large tanks on.
- rough-winged swallow — either of two New World swallows of the genus Stelgidopteryx, having outer primary feathers with small barblike hooks on the margins.
- ruby-crowned kinglet — an olive-gray, American kinglet, Regulus calendula, the male of which has an erectile, ruby crest.
- schrodinger equation — the wave equation of nonrelativistic quantum mechanics. Also called Schrödinger wave equation. Compare wave equation (def 2).
- shoulder-length hair — hair that reaches a person's shoulders
- string correspondent — stringer (def 6).
- 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
- tetrahydrogestrinone — a synthetic anabolic steroid. Formula: C21H28O2
- the founding fathers — any of the men who were members of the U.S. Constituional Convention of 1787
- 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.
- underground railroad — Also called underground railway. a railroad running through a continuous tunnel, as under city streets; subway.
- unsaddling enclosure — the area at a racecourse where horses are unsaddled after a race and often where awards are given to owners, trainers, and jockeys
- walking-around money — money that is carried on the person for routine expenses and minor emergencies; pocket money.
- walton and weybridge — a city in Surrey, SE England: a London suburb.
- wide-angle converter — a person or thing that converts.
- working-capital fund — a fund established to finance operating activities in an industrial enterprise.
- your marching orders — If you give someone their marching orders, you tell them that you no longer want or need them, for example as your employee or as your lover.