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
The compound 5-amino-2,3-dihydro-1,4-phthalazinedione, which exhibits blue chemiluminescence when mixed with an appropriate oxidizing agent.
Definition source: English Wiktionary via Wiktextract
Usage: countable, uncountable
Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
verb
To test or subject a sample or an individual to a luminol agent in order to locate traces of blood.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
Topics: criminology, government, human-sciences, law, law-enforcement, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
First use appears in 1934 in a paper by E. Huntress, L. Stanley, and A. Parker. The verbal form first appears c. 1997, although the exact date of its first appearance is uncertain.
Across languages
12 source translations are retained for this English entry.
