| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Facility instrument | Aerospace | An instrument defined by NASA as having broad significance to the EOS Program that is provided by a designated NASA center or foreign agency. Source: EPO. (references) | |
| Operational facility instrument | Aerospace | An instrument developed and operated by a national or international agency (e.g., NOAA, DOD) to support their operational requirements. Data from such an instrument may be made available to the research community. Source: ESADS. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||