minute of arc

noun 0.794

arcsecond

noun 0.699

second of arc

noun 0.657

micrometre

noun 0.565

minute

noun 0.556

micron

noun 0.546

arc

noun 0.540

angstrom

noun 0.535

micrometer

noun 0.534

arcsine

noun 0.530

central angle

noun 0.527

angle

noun 0.525

radian

noun 0.522

micro

noun 0.518

monic

noun 0.515

right ascension

noun 0.512

megaparsec

noun 0.510

amacrine

noun 0.501