一定量 (yī dìng liáng) — a fixed quantity, a certain amount

Definition

A noun meaning 'a fixed quantity' or 'a certain amount', often used in scientific, technical, or formal contexts to refer to a specified amount of something.

noun
a fixed quantitya certain amount

Examples

  • 一定量。
    Měi cì fú yòng yī dìng liáng de yào wù.
    Take a fixed quantity of the medicine each time.
  • 一定量。
    Shí yàn xū yào jiā rù yī dìng liáng de shuǐ.
    The experiment requires adding a certain amount of water.
  • 一定量。
    Gōng sī guī dìng le yī dìng liáng de tóu zī jīn é.
    The company stipulated a fixed investment amount.

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.

一定fixed
一yīall定dìngfixed
偏正Modifier + head
量liángquantity

一定 (fixed) with 量 (quantity) gives a fixed amount.

Characters in this word

An abstract idea shown by a mark or a diagram rather than by a picture of an object.

一 is drawn as one horizontal stroke, marking the number one.

Open 一 →

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
宀宀mián
Sound part声符shēngfú
正
正zhèng定dìng
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

定 is built from 宀 and 正, with 正 supplying the sound.

Open 定 →

Two or more meaningful parts placed together so that their meanings combine into a new one.

  • 日日rìsun
  • 東東dōngbag; east

量 has 日 (sun) over 東 (bag; east). Some explanations suggest measuring under the sun or the sun rising in the east, but the exact origin is unclear.

Open 量 →

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