s, b, e, g, l, n, h, r, t, i, v are letters that make 'brightness level'
el, rightness, brightness, BR, lev, RI, TN, EL, SS, level, Eve, eve, right, bright, rig, brig, eV, NE, ness, LE, Br, Es, Ne, Ig are words within 'brightness level'
1 possible definitions for 'brightness level'
Under this definition, brightness level is a noun and has the following properties:
luminosity, brightness, luminousness, light, luminance have the same meaning as 'brightness level'
'brightness level' can be a type of physical property.
illuminance, incandescence, luminescence, illumination, glow are types of 'brightness level'.
bright, lustrous, shiny, illume, illumine, light up, illuminate, luminous, light, aglow(p), lambent, lucent, shining, undimmed, burnished are derivatives of 'brightness level'.