component, constituent, element, factor, ingredient -- (an abstract part of something; "jealousy was a component of his character"; "two constituents of a musical composition are melody and harmony"; "the grammatical elements of a sentence"; "a key factor in her success"; "humor: an effective ingredient of a speech")
component, constituent, element -- (an artifact that is one of the individual parts of which a composite entity is made up; especially a part that can be separated from or attached to a system; "spare components for cars"; "a component or constituent element of a system")
chemical element, element -- (any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter)
element -- (the most favorable environment for a plant or animal; "water is the element of fishes")
element -- (one of four substances thought in ancient and medieval cosmology to constitute the physical universe; "the alchemists believed that there were four elements")
element -- (the situation in which you are happiest and most effective; "in your element")
element -- (a straight line that generates a cylinder or cone)