A
radiation detector which employs an electric field for the
collection at the electrodes of charges associated with the
ions produced in the sensitive volume by
ionizing radiation, without charge multiplication. The solid
angle (2Π, 4π ) subtended when using the detector, is sometimes specified.
Source:
PAC, 1982, 54, 1533
(Glossary of terms used in nuclear analytical chemistry (Provisional))
on page 1545