Standard Lemma guide

astronautics

noun · 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Southern-England: Recorded audio is listed in the source snapshot.
  • CMU ARPABET: AE2 S T R AH0 N AA1 T IH0 K S Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

noun

Meaning 1

Navigation through space.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The science and technology of space flight.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: aerospace

3

noun

Meaning 3

the theory and practice of navigation through air or space

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: aeronautics

Antonyms: none provided

Broader terms: physics, natural philosophy

Narrower terms: avionics

History

Etymology

Etymology tree Proto-Indo-European *h2eHs- Proto-Indo-European *-tḗr Proto-Indo-European *h2stḗr Proto-Hellenic *astḗr Ancient Greek ἀστήρ (astḗr) Ancient Greek ᾰ̓́στρον (ắstron)der. English astro- Proto-Indo-European *(s)neh2- Proto-Indo-European *néh2us Ancient Greek ναῦς (naûs) Proto-Indo-European *-tósder. Ancient Greek -της (-tēs) Ancient Greek ναύτης (naútēs)bor. English -naut English astronaut Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic Old English -as Middle English -es English -s English -ics English astronautics From astronaut + -ics.

Across languages

Translations

34 source translations are retained for this English entry.

  • Arabic: مِلَاحَة فَضَائِيَّة (milāḥa faḍāʔiyya) — navigation through space
  • Bulgarian: космона́втика (kosmonávtika) — navigation through space
  • Bulgarian: астрона́втика (astronávtika) — navigation through space
  • Catalan: astronàutica — navigation through space
  • Finnish: astronautiikka — navigation through space
  • Georgian: ასტრონავტიკა (asṭronavṭiḳa) — navigation through space
  • Hindi: अंतरिक्षयानिकी (antrikṣayānikī) — navigation through space
  • Hungarian: űrhajózás — navigation through space
  • Hungarian: űrrepülés — navigation through space
  • Portuguese: astronáutica — navigation through space
  • Romanian: astronautică — navigation through space
  • Russian: космона́втика (kosmonávtika) — navigation through space
  • Russian: астрона́втика (astronávtika) — navigation through space
  • Sindhi: نجم جُوئِي (najim juī) — navigation through space
  • Spanish: astronáutica — navigation through space
  • Arabic: مِلَاحَة الْفَضَاء (milāḥat al-faḍāʔ) — science and technology of spaceflight
  • Bulgarian: космона́втика (kosmonávtika) — science and technology of spaceflight
  • Bulgarian: астрона́втика (astronávtika) — science and technology of spaceflight
  • Czech: kosmonautika — science and technology of spaceflight
  • Dutch: ruimtevaart — science and technology of spaceflight
  • Finnish: astronautiikka — science and technology of spaceflight
  • German: Raumfahrt — science and technology of spaceflight
  • Greek: αστροναυτική (astronaftikí) — science and technology of spaceflight
  • Hindi: अंतरिक्षयानिकी (antrikṣayānikī) — science and technology of spaceflight
  • Hungarian: asztronautika — science and technology of spaceflight
  • Hungarian: űrhajózás — science and technology of spaceflight
  • Polish: astronautyka — science and technology of spaceflight
  • Polish: kosmonautyka — science and technology of spaceflight
  • Portuguese: astronáutica — science and technology of spaceflight
  • Russian: космона́втика (kosmonávtika) — science and technology of spaceflight
  • Russian: астрона́втика (astronávtika) — science and technology of spaceflight
  • Sindhi: نجم جُوئيات (najim juiyāt) — science and technology of spaceflight
  • Spanish: astronáutica — science and technology of spaceflight
  • Swedish: astronautik — science and technology of spaceflight