| Webster's Online Dictionary |
Date "HARDHAT" was first used in popular English literature: sometime before 1971. (references) |
| Domain | Definition | ||
| Mining | Slang term for a safety hat. (references) | ||
Source: compiled by the editor from various references; see credits. | Top | ||
Topics by Level of Interest: HARDHAT | ||||
| Topics sorted by level of Interest | Level (1=low, 600=high) | Topics sorted Alphabetically | Level (1=low, 600=high) | |
| Hardhat mounted mirror | 7 | Hardhat mounted mirror | 7 | |
Source: the editor, created by/for EVE to gauge likely levels of human interest in linguistically triggered topics (compiled across various sources, such as Wikipedia and specialty expression glosses). | ||||