I. ˈtärmik noun
( -s )
Etymology: Late Latin ptarmicum, from Greek ptarmikon, neuter of ptarmikos causing to sneeze, from ptarmos act of sneezing + -ikos -ic — more at sternutation
: a substance that causes sneezing
II. adjective
or ptar·mi·cal -mə̇kəl
Etymology: ptarmic from Late Latin ptarmicus, from Greek ptarmikos; ptarmical from ptarmic (I) + -al
: sternutatory