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.
No pronunciation record was provided for this word.
A mass of fissile material that is insufficient to sustain a nuclear chain reaction.
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
No etymology was provided for this word.
Across languages
Translations
2 source translations are retained for this English entry.
-
Finnish:
alikriittinen massa
— insufficient mass to sustain chain reaction
-
Polish:
masa podkrytyczna
— insufficient mass to sustain chain reaction