Survey instrument equipped with an objective  used  in  geodesy  to  measure horizontal and vertical angles and in astronomy  to  determine the azimuth and the apparent height of a celestial body.

Total thermo-remanent magnetisation (tTRM)
Remanent magnetisation of a sample at room temperature after cooling from  a temperature higher than the Curie- or Néel-Temperature in a magnetic field, see also partial thermoremanent magnetisation (pTRM).

Transience - transient magnetisation

A component of the induced magnetisation that exits only in the presence of a inducing magnetic field, after field removal it disappears.

Relative dating method in archaeology  based  on  classification  of  things according to their characteristics.