S: (n) material, stuff (the tangible substance that goes into the makeup of a physical object) "coal is a hard black material"; "wheat is the stuff they use to make bread"
S: (n) substance (the real physical matter of which a person or thing consists) "DNA is the substance of our genes"
S: (n) matter (that which has mass and occupies space) "physicists study both the nature of matter and the forces which govern it"
S: (n) entity (that which is perceived or known or inferred to have its own distinct existence (living or nonliving))
S: (n) part, portion, component part, component, constituent (something determined in relation to something that includes it) "he wanted to feel a part of something bigger than himself"; "I read a portion of the manuscript"; "the smaller component is hard to reach"; "the animal constituent of plankton"
S: (n) relation (an abstraction belonging to or characteristic of two entities or parts together)
S: (v) hide, conceal (prevent from being seen or discovered) "hide the money"
S: (v) hide, hide out (be or go into hiding; keep out of sight, as for protection and safety) "Probably his horse would be close to where he was hiding"; "She is hiding out in a cabin in Montana"
S: (v) shroud, enshroud, hide, cover (cover as if with a shroud) "The origins of this civilization are shrouded in mystery"
S: (v) obscure, blot out, obliterate, veil, hide (make undecipherable or imperceptible by obscuring or concealing) "a hidden message"; "a veiled threat"