se·ques·ter / səˈkwestər/ • v. [tr.] 1. isolate or hide away (someone or something): Tiberius was sequestered on an island the artist sequestered himself in his studio for two years. ∎  isolate (a jury) from outside influences during a trial: the jurors had been sequestered since Monday. ∎  Chem. [intr.] form a chelate or other stable compound with (an ion, atom, or molecule) so that it is no longer available for reactions.2. take legal possession of (assets) until a debt has been paid or other claims have been met: the power of courts to sequester the assets of unions. ∎  take forcible possession of (something); confiscate: compensation for Jewish property sequestered by the Libyan regime. ∎  legally place (the property of a bankrupt) in the hands of a trustee for division among the creditors: [as adj.] (sequestered) a trustee in a sequestered estate. DERIVATIVES: se·ques·tra·ble / siˈkwestrəbəl/ adj.se·ques·tra·tor / ˈsēkwiˌstrātər; ˈsek-; siˈkwesˌtrātər/ n.

sequester set aside, remove XIV; confiscate XVI. — (O)F. séquestrer or late L. sequestrāre, f. sequester depositary of a thing in dispute, lit. ‘one standing apart’, f. *sequos, secus apart, otherwise.
So sequestrate XVI. f. pp. stem of L. sequestrāre. sequestration XIV. — (O)F. or late L.

sequester To bind a metal ion into a chelate.

sequester In the strict sense, to bind a metal ion into a chelate; more broadly, to take up and fix.

sequester To bind a metal ion into a chelate.