penumbra Definition

aura, umbra, celestial sphere, zodiacal light, dimness, emanation, nebulosity, obscuration, photosphere, indeterminacy, oort cloud, omega centauri, triune, interstices, finitude, cerebral hemisphere, mimesis, auricle, fovea, noosphere, exosphere, moonlet, opacities, phenomenology, infinitude, celestial equator, interiority, limbus, haloes, perihelion, asterism, nefariousness, sundog, epsilon aurigae, heisenberg uncertainty principle, parenchyma, presentiment, pupillary, effacement, ectodermal, prosody, punctum, ostia, corona australis, afterimage, cranial cavity, meteoroids, blackness, transfiguration, absoluteness, prograde, singularity, subarachnoid space, translucence, amnion, wisps, muzzy, scotoma, corona borealis, alexia, conjunctiva, whorl, constellation, electromagnetic spectrum, cerebrum, baryon, mammillary, hindbrain, earthshine, telos, nether region, immanence, choroid, conjuration, protoplasm, airglow, quasiparticle, chromosphere, benthamite, netherland, planetary nebula, cortex, galactic equator, cogitations, pelvic cavity, anthropic, charlatanry, pleiades, monism, mysteriousness, sunbeam, pineal gland, cirrus cloud, corporeality, infinities, phlogiston, spiral galaxy, uranian, sphere, embolus,