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 (mī′krə-skŏp′ĭk) also mi·cro·scop·i·cal (-ĭ-kəl)
a. Too small to be seen by the unaided eye but large enough to be studied under a microscope.
b. Of, relating to, or concerned with a microscope.
2. Exceedingly small; minute: "The activities of men ... were reduced to a microscopic scale" (John Hersey).
3. Characterized by or done with extreme attention to detail: a microscopic investigation.

mi′cro·scop′i·cal·ly adv.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.microscopical - of or relating to or used in microscopymicroscopical - of or relating to or used in microscopy; "microscopic analysis"; "microscopical examination"
2.microscopical - visible under a microscope; using a microscope
seeable, visible - capable of being seen; or open to easy view; "a visible object"; "visible stars"; "mountains visible in the distance"; "a visible change of expression"; "visible files"
3.microscopical - so small as to be invisible without a microscope; "differences were microscopic"
little, small - limited or below average in number or quantity or magnitude or extent; "a little dining room"; "a little house"; "a small car"; "a little (or small) group"


, microscopical
a. microscópico-a, rel. al microscopio.
References in classic literature ?
For these reasons and because he was hampering in a microscopical degree the administration of the Indian Empire, the Indian Empire paused for one microscopical moment to make inquiry into the fate of Imray.
What incalculable numbers of these microscopical animals!
Objective: This project proposes to study the processes of the antiferromagnetic materials in terms of high spatial and time resolutions in order to understand the microscopical mechanisms of the magnetization reversal.
During the course of the entire research, Verhelst found that the liver involvement could be discrete and limited to vascular derangements on a microscopical level and may range to large direct shunts between the hepatic arteriolar branches and sinusoids (leading to arteriovenous shunts), between the portal vein and the central veins (portovenous shunts), and between the hepatic artery and the portal vein.
It included the line: 'The Stretford End cried out aloud, It's the end for you Sky Blues.' | October 20, 1955: Science old and new came together when the Manchester Microscopical Society displayed two microscopes made a century apart.
Text-book of histology includingthe microscopical technique.
Staff perform tests described in ASTM C295 Standard Guide for Petrographic Examination of Aggregates for Concrete; C856-18 Standard Practice for Petrographic Examination of Hardened Concrete; and, C457/C457M-16 Standard Test Method for Microscopical Determination of Parameters of the Air-Void System in Hardened Concrete.
On microscopical examination of the excision material, the neoplasm was highly cellular and infiltrated fat and muscle.
Microscopical examination of feces was carried out by both direct smear and centrifugal sedimentation method.
A classical microscopical procedure typically involves removing a representative sample from the infected site (exfoliative cytology) which is transferred to a microscopic slide and treated with potassium hydroxide (KOH), Gram stain, or periodic acid-Schiff (PAS) stain.