name · noun · phrase · symbol · 24 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.
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
20
symbol
Meaning 20
Symbol for giga-annum(s): gigayears.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, symbol
Topics: astronomy, metrology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Gyr, Gy
Antonyms: none provided
21
symbol
Meaning 21
Symbol for gigayears ago (giga-annums ago), a unit of time equal to 109 years in the past.
Definition source: English Wiktionary via Wiktextract
Usage: alt-of, symbol
Topics: astronomy, metrology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
22
noun
Meaning 22
a state in southeastern United States; one of the Confederate states during the American Civil War
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: Georgia, Empire State of the South, Peach State
Antonyms: none provided
Broader terms: American state
23
noun
Meaning 23
a rare silvery (usually trivalent) metallic element; brittle at low temperatures but liquid above room temperature; occurs in trace amounts in bauxite and zinc ores
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: gallium, atomic number 31
Antonyms: none provided
Broader terms: metallic element, metal
24
noun
Meaning 24
the first known nerve agent, synthesized by German chemists in 1936; a highly toxic combustible liquid that is soluble in organic solvents and is used as a nerve gas in chemical warfare
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: tabun
Antonyms: none provided
Broader terms: organophosphate nerve agent
History
Etymology
No etymology was provided for this word.
Across languages
Translations
1 source translations are retained for this English entry.