naphth-
combining form
variants:
or naphtho-
or less commonly naphtha-
Definition of naphth-
1
: naphtha
naphthene naphthyl
2a
: related to naphthalene : naphthoic acid
naphthoquinone naphthamide
—sometimes in names of compounds in which a benzene nucleus has been replaced by a naphthalene nucleus naphthoresorcinol C10H6(OH)2
b
: naphthol
naphthoxide
3a
: containing a naphthalene nucleus fused on one or two sides to one or two other rings
naphthacridine naphthopyran naphthadiazine
b
: benz- sense 2
—not used systematically naphthanthracene
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