WordNet records no synonym and no antonym for tyndall effect. It is the only member of its synset, which is common for technical, taxonomic and single-sense vocabulary — there is no other English word that means the same thing. The broader and narrower terms below are the useful relations in that case.
Counts are distinct word forms across every sense. A synonym that appears under three senses is counted once here and shown three times below, under each sense it belongs to.
the phenomenon in which light is scattered by very small particles in its path; it makes a beam of light visible; the scattered light is mainly blue
Synonyms, antonyms and the broader and narrower relations for tyndall effect come from Princeton University’s WordNet. Full sources and licences.