- Rock oil
Rock oil can refer to either:
*Naphtha
*Petroleum , which literally means "rock oil"
*Rock oil (Scotland) - a substance gathered off sea rocks and used medicinally
Wikimedia Foundation. 2010.
Rock oil can refer to either:
*
*
*
Wikimedia Foundation. 2010.
Rock oil — Rock Rock, n. [OF. roke, F. roche; cf. Armor. roc h, and AS. rocc.] 1. A large concreted mass of stony material; a large fixed stone or crag. See {Stone}. [1913 Webster] Come one, come all! this rock shall fly From its firm base as soon as I. Sir … The Collaborative International Dictionary of English
rock oil — n. chiefly Brit. term for PETROLEUM … English World dictionary
rock oil — noun a dark oil consisting mainly of hydrocarbons • Syn: ↑petroleum, ↑crude oil, ↑crude, ↑fossil oil, ↑oil • Hypernyms: ↑oil, ↑fossil fuel • Hy … Useful english dictionary
rock oil — Naphtha Naph tha (n[a^]f th[.a] or n[a^]p th[.a]), n. [L. naphtha, Gr. na fqa, fr.Ar. nafth, nifth.] 1. (Chem.) The complex mixture of volatile, liquid, inflammable hydrocarbons, occurring naturally, and usually called {crude petroleum}, {mineral … The Collaborative International Dictionary of English
Rock oil (Scotland) — Rock oil (Scottish Gaelic: Ola nan creag ), is an ointment made from a thin film obtained on rocks by the sea, and used for a relief for burns and scalds.It is not to be confused with petroleum which literally means the same.References* Ola nan… … Wikipedia
rock-oil — n. Petroleum, rock tar, mineral oil, naphtha, Barbadoes tar, Seneca oil, stone oil … New dictionary of synonyms
rock oil — noun Date: 1668 petroleum … New Collegiate Dictionary
rock oil — petroleum. [1660 70; trans. of ML petroleum] * * * … Universalium
rock oil — noun naphtha … Wiktionary
rock oil — /ˈrɒk ɔɪl/ (say rok oyl) noun → petroleum (def. 1) …