(astronomy) An eclipse in which the eclipsed body is completely obscured to the viewer.

(snooker) The potting of all the object balls on the table. / Used other than figuratively or idiomatically: see total, clearance.

plural of total clearance

(Christianity) The Calvinist doctrine that all human action is tainted by original sin.

(neuroscience) The ability to remember in great detail; possessing photographic memory.

Warfare where all of a country's available resources, military as well as civilian, are employed.

plural of total order

plural of total synthesis

(accounting) An insured item of which the entire value is written off / (insurance) An insured item that is written off when it is beyond repair, or when the cost of repair exceeds the insured value.

(set theory, order theory) A partial order, ≤, (a binary relation that is reflexive, antisymmetric, and transitive) on some set S, such that any two elements of S are comparable (for any x, y ∈ S, either x ≤ y or y ≤ x).