aliejaus

Aliejus is a Lithuanian noun meaning oil. It refers to liquids derived from plants, animals, or minerals that are used for cooking, lubrication, lighting, or other technical purposes. The word is widely used in everyday language as well as in scientific and culinary contexts, and it forms many compound terms such as vegetable oils and specialty oils.

In everyday speech, the term appears in phrases naming specific oils, especially in compound forms. Common examples include alyvuogių aliejus (olive oil), saulėgrąžų aliejus (sunflower oil), rapsų aliejus (rapeseed oil) and linų aliejus (flaxseed oil). The broader category is often discussed as aliejai, with individual varieties specified by their source or application, such as maisto aliejai (edible oils) or techniniai aliejai (technical oils).

Grammatically, aliejus is a masculine noun. Its genitive singular form is aliejaus, which is used to express possession or quantity, for example aliejaus kokybė (the quality of the oil) or aliejaus kiekis (the amount of oil). It also appears in phrases like iš aliejaus (from the oil) or prie aliejaus (toward the oil), depending on syntactic construction.

Etymology is linked to the Baltic and neighboring languages; the Lithuanian word is related to terms such as Polish olej and other European cognates for oil. The form aliejus and its genitive aliejaus are standard in modern Lithuanian and are used across culinary, industrial, and scientific contexts.

See also: aliejai, alyvuogių aliejus, saulėgrąžų aliejus, rapsų aliejus, linų aliejus.