18-letter words containing d, y, e, t, r
- study hall teacher — a teacher who supervises or helps students during a period of time or lesson used for studying
- tardive dyskinesia — a disorder characterized by restlessness and involuntary rolling of the tongue or twitching of the face, trunk, or limbs, usually occurring as a complication of long-term therapy with antipsychotic drugs.
- temporary hardness — hardness of water due to the presence of magnesium and calcium hydrogencarbonates, which can be precipitated as carbonates by boiling
- tertiary education — education, following secondary education at a school, at a college or university
- the hotel industry — the branch of the services industry which provides hotels
- the movie industry — the industry that makes entertainment films or movies
- the same old story — the familiar or regular course of events
- thirty-second note — a note having 1/32 of the time value of a whole note; demi-semiquaver.
- thirty-second rest — a rest equal in value to a thirty-second note.
- three-body problem — the problem of calculating the motions of three bodies in space moving under the influence of only their mutual gravitational attraction.
- three-day eventing — participation in a three day equestrian competition consisting of dressage, cross-country jumping, and stadium jumping
- to close your mind — If you close your mind to something, you deliberately do not think about it or pay attention to it.
- to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
- to speak your mind — If you speak your mind, you say firmly and honestly what you think about a situation, even if this may offend or upset people.
- triarylmethane dye — any of the class of dyes containing three aryl groups attached to a central carbon atom: used chiefly for dyeing cotton, wool, and silk.
- united states army — the permanent or regular military land force of the United States, under the authority of the Department of Defense since 1947. Abbreviation: USA.
- university student — a student enrolled in a university
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- video entry system — a security system whereby a person in a building can see someone who wants to gain access by means of a video image
- water of hydration — the portion of a hydrate that is represented as, or can be expelled as, water: now usually regarded as being in true molecular combination with the other atoms of the compound, and not existing in the compound as water.
- welwyn garden city — a town in SE England, in Hertfordshire: established (1920) as a planned industrial and residential community. Pop: 43 512 (2001)
- wildlife sanctuary — an area where wild animals and plants are protected
- wind river systems — (company) A company founded in 1981, now a world leader in embedded systems, providing real-time operating systems and development tools. Wind River's development tools enable customers to standardise designs across projects and quickly develop feature-rich products. Wind River Systems employs over 500 people worldwide (1998). Service and support is provided through its U.S. headquarters and overseas operations in the U.K., France, Germany, Scandinavia and Japan. Address: Alameda, California, USA.
- work-study student — a student who is permitted to work while studying, and use the money earned to pay for their studies