18-letter words containing n, i, t, r, d
- 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.
- watson-crick model — a widely accepted model for the three-dimensional structure of DNA, featuring a double-helix configuration for the molecule's two hydrogen-bonded complementary polynucleotide strands.
- welwyn garden city — a town in SE England, in Hertfordshire: established (1920) as a planned industrial and residential community. Pop: 43 512 (2001)
- white man's burden — the alleged duty of white colonizers to care for nonwhite indigenous subjects in their colonial possessions.
- 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-fronted tern — a coastal bird of New Zealand and SE Australia, Sterna striata, with a long black bill, a white breast, and a forked tail
- 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.
- winged everlasting — a bushy composite plant, Ammobium alatum, of Australia, having winged branches, javelin-shaped leaves, and white flowers.
- wood-burning stove — cooker: fueled by wood