oil — A substance that lubricates and cools the moving parts of the engine and reduces the formation of rust and corrosion. It contains additives which fights the corrosion of bearings, keeps small particles in suspension, reduces engine wear, and… … Dictionary of automotive terms
Oil shale geology — Main article: Oil shale Outcrop of Ordovician kukersite oil shale, northern Estonia. Oil shale geology is a branch of geologic sciences which studies the formation and composition of … Wikipedia
straight-weight oil — oil suitable for use within a narrow temperature range; outside this range, its flow characteristics will not allow adequate lubrication. Also called single grade oil. Also see multigrade oil … Dictionary of automotive terms
Motor oil — For the TV documentary focused on the Edmonton Oilers of the National Hockey League, see Oil Change (TV Series). Motor oil sample Motor oil or engine oil is an oil used for lubrication of various internal combustion engines. The main function is… … Wikipedia
Oil shale extraction — is an industrial process in which kerogen mdash;a mixture of organic chemical compounds (including hydrocarbons) found in oil shale mdash;is converted into synthetic crude oil through pyrolysis. In pyrolysis, oil shale is heated in the absence of … Wikipedia
Single parent — is a term that is mostly used to suggest that one parent has most of the day to day responsibilities in the raising of the child or children, which would categorize them as the dominant caregiver. The dominant caregiver is the parent in which the … Wikipedia
oil painting — oil painter. 1. the art or technique of painting with oil colors. 2. a painting executed in oil colors. [1775 85] * * * Painting in oil colours, a medium consisting of pigments suspended in drying oils. Oil paint enables both fusion of tones and… … Universalium
Oil sands — The Athabasca oil sands in Alberta, Canada, are a very large source of bitumen, which can be upgraded to synthetic crude oil. Bituminous sands, colloquially known as oil sands or tar sands, are a type of unconventional petroleum deposit. The… … Wikipedia
Oil Campaign chronology of World War II — Main articles: Oil Campaign of World War II and Oil Campaign targets of World War II The Oil Campaign chronology of World War II lists bombing missions and related events regarding the petroleum/oil/lubrication (POL) facilities that supplied Nazi … Wikipedia
engine oil — Oil within the engine used to lubricate the moving components. At one time the oil was a single grade, but modern engines use a multigrade oil. Also see straight weight engine oil synthetic engine oil … Dictionary of automotive terms