内形: internal dimensions / 内径: inside diameter

模型: plastic hobby model

(game of Go) overconcentrated shape: having too many stones in an area, the overall position being inefficient

adjectival noun (abbreviation of 形容動詞)

in Japanese morphology, a type of apophony found in word-final form caused by derivational suffixes

in Japanese morphology, a type of apophony caused typically found in compounds

the passive form or conjugation of a verb

Synonym of 四角形 (shikakukei, shikakkei, “quadrilateral”) (polygon having four sides)

(grammar) a singular form of a word

(grammar) a plural form of a word