18-letter words containing d, i, t, e
- 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-footed mouse — any of several North American woodland mice of the genus Peromyscus, especially P. leucopus, having white feet and undersides.
- 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
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- widemouth blindcat — any of several catfishes, as Satan eurystomus (widemouth blindcat) of Texas, that inhabit underground streams and have undeveloped eyes and unpigmented skin.
- wild sweet william — blue phlox.
- 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.
- woe betide someone — misfortune will befall someone
- wood-burning stove — cooker: fueled by wood
- yeast nucleic acid — RNA.