— naphthalic /naf thal"ik, nap-/ , naphthalenic /naf'theuh len"ik, nap'-/ , adj.
/naf"theuh leen', nap"-/ , n. Chem.
a white, crystalline, water-insoluble hydrocarbon, C 10 H 8 , usually obtained from coal tar: used in making dyes, as a moth repellant, etc.
Also, naphthaline, naphthalin /naf"theuh lin, nap"-/ .
[ 1865-70; NAPHTH- + -AL 3 + -ENE ]