(geology) An element which is not a trace element in a given context, and which is present in significant quantity.

An identification such as a data element name / A clear data element definition / One or more representation terms / Optional enumerated values

(grammar) In certain approaches to grammar, a part of the sentence, classified as one of subject, predicate, object, predicative and adverbial.

(mathematics) Any of a finite number of discrete elements of a system, interconnected at discrete nodes, used to model a physical system

(inorganic chemistry, physics) main group element

(botany) A cell that is linear in form and is responsible for the conduction of water and minerals in the xylem.

A subordinate or secondary element.

(radio) An element of an antenna that receives power directly from the transmitter.

(electronics) A circuit element or property that is present within an electrical component, and has a negative effect on the performance of the circuit.

(category theory) The identity element of an object when thought of as a generalized element of that object.