How many letters does the top answer for “the act of dividing into quanta or expressing in terms of quantum theory” have?

The most common answer is quantisation (12 letters).

Crossword clue: the act of dividing into quanta or expressing in terms of quantum theory

2 answers found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

quantisation 12 letters wn-def

the act of dividing into quanta or expressing in terms of quantum theory

quantization 12 letters wn-def

the act of dividing into quanta or expressing in terms of quantum theory