zeroth

IPA: zˈɪrɔθ

(mathematics) In the initial position in a sequence whose elements are numbered starting at zero; the ordinal number corresponding to zero.
Corresponding to a position preceding the first.

Examples of "zeroth" in Sentences

Thus the year in which his father died was his "zeroth" year.
What cannot be seen is the hierarchically "zeroth" highest part, the root.
For the sake of simplicity the inorganic can be taken to include the quantum level, although perhaps this level could constitute its own 'zeroth' level.
The previously discussed omnidirectional patterns are also called zeroth-order patterns and the other patterns mentioned previously (dipole and cardioid) are called first-order patterns.
If Jehoiachin had been held captive for thirty-seven years before the accession of Evil-Merodach, then "the thirty-seventh year" would have to be the thirty-seventh year following a "zeroth" or "starting" year.
One could define zeroth-order objects to be objects which are not predicated of other objects; first-order objects (properties) to be those which are predicated of other objects; second-order objects (binary relationships) to be those which are predicated of pairs of other objects, and so on.