Associations to the word «Aplanat»
Wiktionary
APLANAT, noun. (optics) A lens that has been corrected for spherical aberration and coma in order to produce a rectilinear image.
Wise words
Language is a process of free creation; its laws and
principles are fixed, but the manner in which the principles
of generation are used is free and infinitely varied. Even
the interpretation and use of words involves a process of
free creation.