|  | Eng ID | Term | Definition | 
|---|---|---|---|
|  | 1521 | dynamometer | An apparatus for measuring force or energy. | 
|  | 1522 | dyne | The unit of force in the CGS SYSTEM. | 
|  | 1523 | eagre (or eager) | See BORE. | 
|  | 1524 | earth | The PLANET which we inhabit. The solid matter of the GLOBE in distinction from water and air. The GROUND. | 
|  | 1525 | earth current | See CURRENT(S): TELLURIC. | 
|  | 1526 | earth inductor | An electric instrument used to measure the INCLINATION of the EARTH's MAGNETIC FIELD. | 
|  | 1527 | earth light | Feeble light of the dark part of the MOON's disc produced by the solar light reflected by the EARTH including the ATMOSPHERE. Also written a... more | 
|  | 1528 | earthquake | A shaking or trembling of the CRUST of the EARTH caused by underground volcanic forces or by breaking and shifting of ROCK beneath the surfa... more | 
|  | 1529 | earth's crust | See CRUST. | 
|  | 1530 | earth's magnetic field | See GEOMAGNETIC FIELD. | 
|  | 1531 | earth's mantle | The relatively plastic region between the CRUST and core of the EARTH. Also called Asthenosphere. | 
|  | 1532 | earthshine | See EARTH LIGHT. Also written as two words. | 
|  | 1533 | earth tide | See TIDE. | 
|  | 1534 | easting | The distance a craft makes good to the east. The opposite is WESTING. In a cartesian reference system the value of one coordinate, usually e... more | 
|  | 1535 | ebb | The EBB STREAM. Sometimes the term 'ebb' is also used with reference to vertical tidal movement. The opposite is FLOOD. | 
|  | 1536 | ebb current | See EBB STREAM. | 
|  | 1537 | ebb interval | Short for strength of ebb interval. The interval between the transit of the moon over the meridian of a place and the time of the following ... more | 
|  | 1538 | ebb stream | The horizontal movement of water associated with FALLING TIDE. Ebb streams generally set seaward, or in the opposite direction to the tide p... more | 
|  | 1539 | ebb strength | Phase of the ebb tidal current at the time of maximum velocity. Also, the velocity at this time. Also called strength of ebb. | 
|  | 1540 | ebb tide | See TIDE: FALLING. |