Standard Lemma guide

z-test

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution.

Definition source: English Wiktionary via Wiktextract

Topics: mathematics, sciences, statistics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

A comparison to determine which object should be at the front of the z-buffer.

Definition source: English Wiktionary via Wiktextract

Topics: computer-graphics, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Finnish: z-testi — statistics
  • German: z-Test — statistics
  • Polish: test Z — statistics
  • Finnish: Z-testi — computer graphics
  • German: z-Test — computer graphics
  • Polish: test Z — computer graphics