> as lemmas

1796 Encycl. Brit. (Dublin ed.) XVII. 763/2 A crooked pipe..which enters the upright pipe laterally..has a small jet hole.

1879 Cassell's Techn. Educator (new ed.) IV. 74/1 The most brilliant light from common gas is produced by a burner in which the jet-holes are very numerous.

1999 London (Ont.) Free Press (Nexis) 24 July h11 Take a wooden stick, such as a chopstick, and clear the jet hole; the mineral deposits should be loosened enough to remove easily.