Standard Lemma guide
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
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noun
A contrail consisting of chemicals or biological agents deliberately sprayed at high altitudes, according to certain conspiracy theories.
Definition source: English Wiktionary via Wiktextract
Usage: in-plural, often
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To spray a contrail of this kind.
Definition source: English Wiktionary via Wiktextract
Usage: intransitive
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Blend of chemical + trail, modelled on contrail, late 1990s.
Across languages
10 source translations are retained for this English entry.
