Meanings

ion microscope

phase-contrast microscope

biodegradation

slight increase

effective microorganisms

complex and subtle (delicate)

very low in sugar content

partial differential equation

reciting poetry or singing in a soft voice

pathogenic microbe

slight reduction

microtubule

neutrino

Nosema bombycis (microsporidian parasite responsible for pebrine)

fine-grain development

pebrine (disease of silkworms)

minuteness

Purple Forbidden Enclosure (group of constellations in the northern sky associated with the emperor)

Purple Forbidden Enclosure (group of constellations in the northern sky associated with the emperor)

subtleties