hemi

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. {{lb|en|automotive}} A motor with hemispherical {{l|en|combustion chamber|combustion chambers}}. A {{l|en|piston engine}} {{l|en|internal combustion engine}} with {{l|en|hemispherical}} {{l|en|piston}} {{l|en|cylinder head|cylinder heads}}.
2. {{lb|en|automotive}} A combustion chamber with the hemispherical cylinder head from such an engine.
3. {{lb|en|automotive}} A hemispherical cylinder head from such a motor.
4. {{lb|en|automotive}} A {{l|en|vehicle}} equipped with such a {{l|en|motor}} {{l|en|engine}}.
5. {{lb|en|by extension}} {{l|en|dome|Domed}} versions of the above that have cylinder heads that are not exactly hemispherical

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.