takes genitive case の, noun

  1. fictitious, imaginary, fanciful, fabricated.

noun or verb acting predominately

  1. aerial, overhead.

Variations

Pronunciation Kanji Kana Is Common
架空 かくう
くう
架空 がくう
仮空 かくう
くう
仮空 がくう

Contained Kanji Breakdown

erect, frame, mount
カ か.ける (8th, N1)
add, addition, increase
カ くわ.える (4th, N3)
power, strength, strong
リョク ちから リキ (1st, N4)
mouth
くち コウ ク (1st, N4)
tree, wood
き モク こ- (1st, N5)
empty, sky, void
そら クウ す.く (1st, N4)
hole, aperture, slit
あな ケツ けな (6th, N1)
shaped crown, katakana u radical (no. 40)
ベン メン (Kentei 1)
dot, tick or dot radical (no. 3)
チュ (Kentei 1)
wa-shaped crown radical (no. 14)
ベキ (Kentei 1)
eight, eight radical (no. 12)
ハチ や はっ (1st, N5)
craft, construction, katakana e radical (no. 48)
コウ ク もく (2nd, N4)