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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adj
Having three rings of atoms in the molecule.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: chemistry, natural-sciences, physical-sciences
Synonyms: none provided
Antonyms: none provided
adj
Of a flower: composed of three whorls or organs.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: biology, botany, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
Any tricyclic compound.
Definition source: English Wiktionary via Wiktextract
Topics: chemistry, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
an antidepressant drug that acts by blocking the reuptake of norepinephrine and serotonin and thus making more of those substances available to act on receptors in the brain
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: tricyclic antidepressant, tricyclic antidepressant drug
Antonyms: none provided
Broader terms: antidepressant, antidepressant drug
Narrower terms: amitriptyline, amitriptyline hydrochloride, Elavil, clomipramine, desipramine, doxepin, doxepin hydrochloride, Adapin, Sinequan, imipramine, impramine hydrochloride, Imavate, Tofranil, nortriptyline, Pamelor, protriptyline, trimipramine, Surmontil
History
Etymology tree Proto-Indo-European *tréyes Proto-Indo-European *tri- Proto-Italic *tri- Latin tri-der. English tri- Proto-Indo-European *kwel- Proto-Indo-European *kwékwlos Ancient Greek κύκλος (kúklos) Proto-Indo-European *-kos Proto-Hellenic *-kos Ancient Greek -κός (-kós) Ancient Greek -ικός (-ikós) Ancient Greek κυκλῐκός (kuklĭkós)bor. Classical Latin cyclicuslbor. Middle French cyclique French cycliquebor. ▲ Classical Latin cyclicusbor. English cyclic English tricyclic From tri- + cyclic.
Across languages
3 source translations are retained for this English entry.
