上じょう部ぶ

じょ

う

ぶ

Common wordFreq.FrequencyTop 10,000

Meanings

noun, noun which may take the genitive case particle 'no'

Refers to the upper section or surface of an object, structure, or area. Often used in descriptions of physical objects, documents, or screens.

〈物もの〉の上じょう部ぶに〈物もの〉があるthere is something at the top part of an object
建たて物ものの上じょう部ぶに看かん板ばんが取とり付つけられている。
A sign is attached to the top part of the building.
上じょう部ぶを切きり取とるto cut off the upper part
画が像ぞうの上じょう部ぶを切きり取とってトリミングした。
I cropped the image by cutting off the top part.

表ひょう面めんN3
表面 refers specifically to the outer surface of something, while 上部 emphasizes the upper section or top area, which may not be a surface at all.
上じょう層そう
上層 is often used for an upper layer or stratum (including figuratively for organizations), whereas 上部 is a more general term for the top section of any object or area.
上じょう方ほう
上方 emphasizes relative direction or position (the area above something), while 上部 more generally names the physical upper portion of an object or structure.

下か部ぶ
下部 means the lower part of something, the direct opposite of 上部, the upper part.

Compound of 上 (じょう, 'upper') and 部 (ぶ, 'part'). A straightforward Sino-Japanese word.