The term cementations refers to a process of bonding or attaching different materials together, commonly used in construction or dentistry. The antonyms for cementations may include words that refer to separation, detachment or disconnection. Such words may include words like disassociation, disengagement, detachment, or disjunction. Each of these words refers to a process or a state of removing or loosening a bond, connection or attachment between two or more objects. These opposites of cementations can be useful in many contexts, whether it is a scientific, technical or artistic field, where precision and accuracy in terminology is usually paramount.