elon
Elon (noun) means a chemical used in photographic developer, also known as metol, that helps convert exposed silver crystals into a visible image. Example: “The old darkroom recipe called for a pinch of elon dissolved in warm water.”
How to use elon
Learner’s notesIn plain EnglishA photography-darkroom chemical, not to be confused with the given name Elon.
Lowercase "elon" the chemical is unrelated to the personal name Elon — capitalization is the only clue in writing.
Word forms
Fill the gap
Can you complete this real example?
The old darkroom recipe called for a pinch of _____ dissolved in warm water.
Etymology
Taken from a trade name for the chemical, shortened from its full chemical description.