18-letter words containing e, n, p, l, a, d
- redevelopment area — an urban area in which all or most of the buildings are demolished and rebuilt
- reinforced plastic — plastic with fibrous matter, such as carbon fibre, embedded in it to confer additional strength
- repayment schedule — a document detailing the specific terms of a borrower's loan, such as monthly payment, interest rate, due dates etc
- resistance plasmid — any of a group of bacterial plasmids carrying genetic information that provide resistance to antibiotic drugs: some resistance plasmids are able to transfer themselves, and hence resistance, during conjugation
- retail price index — The retail price index is a list of the prices of typical goods which shows how much the cost of living changes from one month to the next.
- seafloor spreading — a process in which new ocean floor is created as molten material from the earth's mantle rises in margins between plates or ridges and spreads out.
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- self-deprecatingly — in a self-deprecating manner
- self-disparagement — the act of disparaging.
- solitary sandpiper — a North American sandpiper, Tringa solitaria, of inland wetlands, having a brownish-gray, white-spotted back and whitish underparts.
- traditional weapon — a weapon having ceremonial tribal significance, such as an assegai or knobkerrie
- unpledged delegate — (in the US) a delegate at a national party convention who is free to vote for any candidate
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.
- wild passionflower — the maypop, Passiflora incarnata.