Selecting oneself for something. / Selecting something for oneself. / (countable) An item selected by oneself.

plural of self-selection

(economics, business, insurance) The process by which the price and quantity of goods or services in a given market is altered due to one party having information that the other party cannot have at reasonable cost.

(evolutionary theory) Intervention by humans in the breeding of plants or animals in order to preserve selected genetic traits.

plural of selection rule

(US, basketball) The Sunday in March on which the teams that participate in the NCAA Division I men's basketball tournament are selected.

(biology, evolution) A form of natural selection whereby traits that may be disadvantageous to the individual can be propagated when they are advantageous to the survival of a group as a whole.

(US, basketball) The Monday in March on which the teams that participate in the NCAA Division I women's basketball tournament are selected.

plural of selection sort

(computing theory) A sorting algorithm that divides the input list into two sublists — items already sorted, and items not yet sorted — and gradually transfers elements from one list to the other.