Synonyms and related words :
3-D, atomic, close, constant, corpuscular, delicate, direct, embryonic, evanescent, even, exact, express, faithful, fine, germinal, granular, impalpable, imperceptible, imponderable, inappreciable, indiscernible, inerrable, inerrant, infallible, infinitesimal, intangible, invisible, mathematical, microcosmic, micrometrically precise, molecular, nice, pinpoint, precise, refined, religious, religiously exact, rigid, rigorous, scientific, scientifically exact, severe, square, stereoscopic, strict, subatomic, subtle, telescopic, tenuous, thin, three-dimensional, ultramicroscopic, undeviating, unerring, unseeable