micrometrical adjective. 
[mʌɪkrǝ(ʊ)'mɛtrɪk(ǝ)l] E18.[from 
MICROMETER noun1 after 
metre, 
metric: see 
-METRIC, 
-AL1.]
Pertaining to or of the nature of a micrometer; obtained by the use of a micrometer.
 ■   micrometric 
adjective = 
MICROMETRICAL M19. ■   micrometrically 
adverb by means of a micrometer 
M19. ■   micrometry 
[-'krɒmɪtri] noun the measurement of very small objects; the use of a micrometer: 
M19.  [TahlilGaran] English Dictionary ▲