n.pl. (usu. Treated as sing.) Art, science, or study of robot design and operation.
n. Small rough-surfaced spicy currant bun.
n. Science or practice of rocket propulsion.
n. Vertical surface of natural rock.
n. Descent or mass of loose fallen rocks.
n. Common salt as a solid mineral.
n. (also rOntgen) unit of ionizing radiation. [rOntgen, name of a physicist]
days n.pl. The three days before ascension day.
- n. (usu. In pl.) Litany of the saints chanted on the three days before ascension day. [latin rogo ask]
n. Calling out a list of names to establish who is present.
adj. (of a garment) having a high loosely turned-over neck.