■ combining form in nouns denoting procedures and systems corresponding to names of instruments ending in -meter (such as calorimetry corresponding to calorimeter ).
Origin
from Gk -metria , from -metrēs 'measurer'.
-METRY
Meaning of -METRY in English
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004