18-letter words containing a, p, c, h, e, d
- scholarship holder — a person who, because of academic merit, receives financial aid for their studies
- secondary syphilis — the second stage of syphilis, characterized by eruptions of the skin and mucous membrane.
- sound spectrograph — an electronic device for recording a sound spectogram.
- spotted flycatcher — a European woodland songbird, Muscicapa striata, with a greyish-brown streaked plumage: family Muscicapidae (Old World flycatchers)
- threatened species — a species likely, in the near future, to become an endangered species within all or much of its range.
- to hold your peace — If you hold or keep your peace, you do not speak, even though there is something you want or ought to say.
- to pick and choose — If you pick and choose, you carefully choose only things that you really want and reject the others.
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- welland ship canal — a ship canal in S Canada, in Ontario, connecting Lakes Erie and Ontario: 8 locks. 25 miles (40 km) long.