You don't have to be a rocket scientist to use zeroth, but the word, which was coined by physicists 120 years ago, does often show up in scientific contexts. (It comes from zero, which is itself …

Look up zeroth in Wiktionary, the free dictionary.

Oct 31, 2025 · zeroth (not comparable) (mathematics) In the initial position in a sequence whose elements are numbered starting at zero; the ordinal number corresponding to zero.

Zeroth definition: coming in a series before the first.. See examples of ZEROTH used in a sentence.

zeroth in British English (ˈzɪərəʊð) adjective denoting a term in a series that precedes the term otherwise regarded as the first term

Define zeroth. zeroth synonyms, zeroth pronunciation, zeroth translation, English dictionary definition of zeroth. adj. Of or relating to the ordinal number matching the number 0 in a series: …

"Zeroth" typically refers to something that comes before the "first" in a series, process or system. It's often used in laws, principles or rules in various scientific fields, denoting the principle that …

Zeroth is an adjective. The adjective is the word that accompanies the noun to determine or qualify it.

Noun: 1. In a list of numbers, the number zero is considered the zeroth element. 2. The zeroth of January marks the beginning of the new year. 3. The zeroth in the series is usually a preamble …

Zeroth definition: Of or relating to the ordinal number matching the number 0 in a series.