18-letter words containing h, a, t, w
- two-chamber system — the system of having two parliamentary chambers, as the House of Lords and the House of Commons in the United Kingdom
- warehouse capacity — the amount of storage space in a warehouse
- watchdog committee — a committee responsible for monitoring standards of behaviour
- 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.
- water on the brain — hydrocephalus.
- wave of the future — a trend or development that may influence or become a significant part of the future: Computerization is the wave of the future.
- weather forecaster — meteorologist
- wesleyan methodist — a member of any of the churches founded on the evangelical principles of John Wesley.
- west-northwestward — moving, bearing, facing, or situated toward the west-northwest.
- west-southwestward — moving, bearing, facing, or situated toward the west-southwest.
- westinghouse brake — a railroad air brake operated by compressed air.
- what has become of — If you wonder what has become of someone or something, you wonder where they are and what has happened to them.
- white man's burden — the alleged duty of white colonizers to care for nonwhite indigenous subjects in their colonial possessions.
- white-collar crime — any of various crimes, as embezzlement, fraud, or stealing office equipment, committed by business or professional people while working at their occupations.
- white-faced hornet — any large, stinging paper wasp of the family Vespidae, as Vespa crabro (giant hornet) introduced into the U.S. from Europe, or Vespula maculata (bald-faced hornet or white-faced hornet) of North America.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- whitewater rafting — the sport of rafting down fast-flowing rivers, esp over rapids
- whittaker chambers — Robert, 1802–71, Scottish publisher and editor.
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- witch hazel family — the plant family Hamamelidaceae, characterized by trees and shrubs having alternate, simple leaves, flowers in clusters or heads, and fruit in the form of a double-beaked woody capsule, and including the sweet gum, witch alder, and witch hazel.
- withdrawal symptom — effects of stopping a drug
- without hesitation — immediately, willingly
- without obligation — In advertisements, if a product or a service is available without obligation, you do not have to pay for that product or service until you have tried it and are satisfied with it.
- woman of the house — lady of the house.
- woman of the world — a woman experienced and sophisticated in the ways and manners of the world, especially the world of society.
- writ of attachment — a document by which a court orders the seizing of property in order to ensure satisfaction of a judgement