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
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.
adj
On different rings of a polycyclic organic molecule
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
adj
Having atoms or nuclei of different type
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
Etymology tree Proto-Indo-European *sem- Proto-Indo-European *sḿ̥teros Proto-Hellenic *hə́teros Ancient Greek ἕτερος (héteros)lbor. English hetero- English nuclear English heteronuclear From hetero- + nuclear.
