simple past tense and past participle of separate

Detached; not connected or joined; two or more things stand apart. / (of spouses) Estranged; living apart but not divorced.

present participle and gerund of separate

An instance of separating.

(zipper) Capable of being opened and having its two sided completely detached from one another rather than just being opened for most of its length.

a piece of laboratory glassware in which the components of a mixture are partitioned between two immiscible liquids

Someone who advocates separation from the established Church; a member of any of various sects or schismatics.

Advocating ecclesiastical separation. / Advocating or seeking the separation of one country or territory into two politically independent countries or territories.

(linguistics) An affix that can be detached from the word it attaches to in several instances.

(linguistics) A verb that is composed of a stem and a separable affix, which can be detached from the stem in several verb forms.