底板 (dǐ bǎn) — base plate; bottom board; chassis

Definition

Technical term for a flat supporting plate — the base, chassis, or motherboard of a device. Used in engineering, machinery, and electronics, not everyday speech.

noun
base platebottom boardchassis
Measure word · 块

Examples

  • 底板，。
    Zhè kuài dǐ bǎn hěn hòu, fēi cháng jiē shi.
    This base plate is very thick and sturdy.
  • 底板。
    Diàn nǎo de dǐ bǎn shàng yǒu hěn duō jiē kǒu.
    There are many ports on the computer's motherboard.
  • 底板。
    Ān zhuāng qián qǐng xiān gù dìng dǐ bǎn.
    Please secure the base plate before installation.

Origin

Compound word
构词法gòucífǎ
偏正piānzhèngModifier + head

The first part narrows down the second: it says what kind of thing the head is.

底dǐbottom
板bǎnboard

The 板 at the 底 gives a base plate or bottom board.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
广广guǎngbuilding
Sound part声符shēngfú
氐
氐dī底dǐ
Same sound today

底 pairs 广 (building) with 氐, pointing to the bottom or foundation of a building. Some read 氐 as a bowing figure or tree root, adding a sense of 'down'.

Open 底 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
木木mùtree
Sound part声符shēngfú
反
反fǎn板bǎn
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

板 pairs 木 (tree) with 反 as a sound part.

Open 板 →

Browse more HSK 7-9 words or search the full 43,000-word dictionary.