| Word | Definitions | Synonyms |
|---|---|---|
| ethnic | (noun) a person who is a member of an ethnic group | - |
| polytechnic | (noun) a technical school offering instruction in many industrial arts and applied sciences | Synonyms: engineering school, polytechnic institute |
| pyrotechnic | (noun) (usually plural) a device with an explosive that burns at a low rate and with colored flames; can be used to illuminate areas or send signals etc. | Synonyms: firework |