microscopical adjective. [mʌɪkrǝ'skɒpɪk(ǝ)l] M17.
[formed as MICROSCOPIC + -ICAL.]
1. Of or pertaining to the microscope or its use. M17.
■ F. Rutley The present state of microscopical knowledge.
■ B. Unsworth Microscopical and chemical analysis of paint samples.

2. = MICROSCOPIC 2. Now rare. M18.

■ microscopically adverb by means of a microscope; so minutely as to be visible only with a microscope; as seen under a microscope: M17.

[TahlilGaran] English Dictionary ▲