adj · 2 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.
Received-Pronunciation:/sɪˈɹɒtɪnəs/
Southern-England:Recorded audio is listed in the source snapshot.
General-American:/səˈɹɑtɪnəs/
1
adj
Meaning 1
Synonym of serotine (“developing at a later time or later in a season, especially than is customary with allied species; specifically (botany), of a plant: flowering late in a season”).
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: biology, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: serotinal, serotine
Antonyms: none provided
2
adj
Meaning 2
Of conifer cones: requiring the heat of a wildfire to open, in order to disperse its seed.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: biology, botany, natural-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
Borrowed from Latin sērōtinus (“late (in ripening, etc.); relating to the evening”) (see further at serotine) + English -ous (suffix forming adjectives denoting pertinence or relation to something).