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 (zîr′ōth, zē′rōth)
Of or relating to the ordinal number matching the number 0 in a series: the zeroth power of 10.


denoting a term in a series that precedes the term otherwise regarded as the first term
[C20: from zero + -th2]


(ˈzɪər oʊθ)
coming in a series before the first: the zeroth level of energy.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.zeroth - preceding even the first
ordinal - being or denoting a numerical order in a series; "ordinal numbers"; "held an ordinal rank of seventh"
References in periodicals archive ?
Tenders invited for Supply of zeroth order (lambda/8) plate with retarder mount (rotation) (specification as per annexure)
Zeroth Law: A robot may not harm humanity, or, by inaction, allow humanity to come to harm.
The cutting force was expanded into a Taylor series up to the third order and expressed in terms of the zeroth order of a Fourier series.
The modem will also tap into unlicensed LTE spectrum (LTE-U), and the Zeroth modem will be able to switch back and forth between Wi-Fi and LTE for voice as well as video calling.
While executing OHAM formulation for the solution of fractional order FIDE, it generates a series of problems: the expressions for zeroth order, first order, second order and third order problems and their solutions are given below as:
The reaction starts with the addition of the first catalyst at zeroth time.
By differentiating the zeroth order deformation equations (4) m times with respect to the embedding parameter q and then setting q = 0 and finally dividing by m\, we get the following m-th order deformation equations:
The device is described as producing a characteristic optical effect such that: 'the incident light is deflected by scattering and/or by diffraction from direct reflection or direct transmission or the zeroth order of diffraction in such a way that a second colour different from the first colour, more particularly a second colour complementary to the first colour, is generated upon viewing in direct reflection or direct transmission or in the zeroth order of diffraction'.
But if it delivers, the project--known as the Zeroth program--would be the first large-scale commercial platform for neuromorphic computing.
This cannot be permitted according to the zeroth law of thermodynamics, since all three objects are already at the same temperature.