S: (n) 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)
S: (n) 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)
S: (n) element (the most favorable environment for a plant or animal)
S: (n) element (one of four substances thought in ancient and medieval cosmology to constitute the physical universe)
S: (n) air (once thought to be one of four elements composing the universe (Empedocles))
S: (n) fire (once thought to be one of four elements composing the universe (Empedocles))
S: (n) earth (once thought to be one of four elements composing the universe (Empedocles))
S: (n) quintessence, ether (the fifth and highest element after air and earth and fire and water; was believed to be the substance composing all heavenly bodies)
S: (n) water (once thought to be one of four elements composing the universe (Empedocles))