relation - an abstraction belonging to or characteristic of two entities or parts together

language unit, linguistic unit - one of the natural units into which linguistic messages can be analyzed

item, point - a distinct part that can be specified separately in a group of things that could be enumerated on a list; "he noticed an item in the New York Times"; "she had several items on her shopping list"; "the main point on the agenda was taken up first"

meronymy, part to whole relation - the semantic relation that holds between a part and the whole

basis, base - the most important or necessary part of something; "the basis of this drink is orange juice"

detail, particular, item - a small part that can be considered separately from the whole; "it was perfect in all details"

unit - an individual or group or structure or other entity regarded as a structural or functional constituent of a whole; "the reduced the number of units and installations"; "the word is a basic linguistic unit"

member - anything that belongs to a set or class; "snakes are members of the class Reptilia"; "members of the opposite sex"

substance - the stuff of which an object consists

remainder, residual, residuum, rest, residue, balance - something left after other parts have been taken away; "there was no remainder"; "he threw away the rest"; "he took what he wanted and I got the balance"

subpart - a part of a part