18-letter words containing a, p, r, o, c, h
- triphosphoric acid — the hypothetical acid H 5 P 3 O 10 , known chiefly by its salts.
- upper palaeolithic — the latest of the three periods of the Palaeolithic, beginning about 40 000 bc and ending, in Europe, about 12 000 bc: characterized by the emergence of modern man, Homo sapiens
- vectorcardiography — a method of determining the direction and magnitude of the electrical forces of the heart.
- warehouse capacity — the amount of storage space in a warehouse
- world championship — an international competition in a particular sport or activity for people all around the world