Hva er family? Hva er family? Chemistry A group of elements with similar chemical properties.A fundamental social group in society typically consisting of one or two parents and their children.Two or more people who share goals and values, have long-term commitments to one another, and reside usually in the same dwelling place.All the members of a household under one roof.A group of persons sharing common ancestry. See Usage Note at collective noun.Lineage, especially distinguished lineage.A locally independent organized crime unit, as of the Cosa Nostra.A group of like things; a class.A group of individuals derived from a common stock: the family of human beings. Biology A taxonomic category of related organisms ranking below an order and above a genus. A family usually consists of several genera. See Table at taxonomy.Linguistics A group of languages descended from the same parent language, such as the Indo-European language family.Mathematics A set of functions or surfaces that can be generated by varying the parameters of a general equation.Chemistry A vertical column in the periodic table of elements.Of or having to do with a family: family problems. Being suitable for a family: family movies.