Main Entry: den·si·tom·e·ter Pronunciation: "den(t)-s&-'täm-&t-&r Function: noun 1:DENSIMETER 2: an instrument for determining optical or photographic density —den·si·to·met·ric/"den(t)-s&t-&-'me-trik/adjective —den·si·tom·e·try/"den(t)-s&-'täm-&-trE/nounplural-tries