Standard Lemma guide

paraxial

adj · 3 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

adj

Meaning 1

Lateral to the neural tube.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: embryology, medicine, sciences

Examples

  • paraxial mesoderm

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Near an optical axis.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: natural-sciences, physical-sciences, physics

Examples

  • paraxial radiation

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Parallel to one or more axes of the coordinate system.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: mathematics, sciences

Examples

  • paraxial rectangle

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree English par- Proto-Indo-European *h2eǵ-? Proto-Indo-European *-os Proto-Indo-European *h2eḱs-der. Proto-Italic *aksis Latin axisbor. English axis English -al English axial English paraxial From par- + axial.