画素 is read as がそ (gaso) and means pixel.
がそ
gaso
がぞうようそ
picture element
がそしんこうほうこう
pel path
がそみつど
pixel density
がそはいれつ
pel array
がそかけ
pixel defect (on an LCD display, e.g. dead pixel)
ふりょうがそ
defective pixel (on an LCD display)
きりとりがそはいれつ
clipped pel array
がはく
master painter
がろう
art gallery (esp. artworks for sale)
かくさく
scheming
がだん
artists' world
かくいつしゅぎ
standardization