平板型

Etymology
Compound of

Noun

 * 1)  monotone type: the most common pitch accent pattern in “standard” Japanese or, as used in the mass media, where no syllable is accented: the first syllable has a low pitch and all subsequent syllables have a higher, gradually lowering pitch

Usage notes
All accent patterns in Japanese may be described as either or. While is further divided into, , and , there are no subcategories to. When contrasting with, , or , it is customary to use the word to avoid the inconsistency of comparing  with.