(physics) The energy needed to separate the constituent parts of an atom or nucleus; equivalent to the mass defect.

(programming) the association between a variable name (identifier) and its value.

(law) That does not bind the participants / (chemistry) Not involved in the formation of bonds

plural of variable binding

A dilemma in which someone receives contradictory instructions and cannot act on either.

Alternative spelling of bind rune

A knot that may be used to keep an object or multiple loose objects together, using a string or a rope that passes at least once around them.

plural of binding knot

Used other than figuratively or idiomatically: see legally, binding. / (law) enforceable by law

(online gaming) Describing an item that becomes bound to the player that loots it. The player cannot transfer it to another player; they may only sell it to an in-game vendor or discard it, destroying the item. Used mainly on quest MacGuffins and rare drops. Compare to bind on equip.