18-letter words containing a, p, e, l
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.
- west puente valley — a town in SW California.
- whispering gallery — a space or gallery beneath a dome or broad arch in which low sounds produced at any of certain points are clearly audible at certain other distant points.
- white-spotted hyla — a type of tree frog (H. leucophyllata) of tropical America
- wild passionflower — the maypop, Passiflora incarnata.
- wildlife programme — (esp on television) a documentary whose subject is wild animals in their natural habitat or undomesticated fauna and flora generally
- wilson's phalarope — a phalarope, Phalaropus tricolor, that breeds in the prairie regions of North America and winters in Argentina and Chile.
- xml template pages — (web) (XTP) JSP transformed by XSL stylesheets. An XTP page is basically a JSP page which specifies an XSL stylesheet. The XSL specifies how selected tags in the XTP page should be rewritten. All other tags are passed through unchanged and so treated as standard JSP. JSP programmers can use XTP used as an easy introduction to XSL, incrementally applying styles to their pages.