地质学 (dì zhì xué) — geology

Definition

noun
geology

Examples

  • 地质学
    Tā dà xué xué de shì dì zhì xué.
    He studied geology in college.
  • dì zhì xué Jiā yán jiū dì qiú de yán shí hé kuàng wù.
    Geologists study the earth's rocks and minerals.
  • 地质学
    Xué xí dì zhì xué kě yǐ bāng zhù wǒ men liǎo jiě dì qiú de lì shǐ.
    Studying geology can help us understand the history of the earth.

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.

地质earth's substance
earthzhìsubstance
偏正Modifier + head
xuéstudy

Earth, substance, and study combine to mean the study of the earth's material structure.

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
earth
Sound part声符shēngfú
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

地 is built from 土 (earth) and 也, which gives its sound.

Open 地 →

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

This origin belongs to the traditional form 質; 质 is its simplified writing.

  • yín
  • bèi

The traditional form 質 is made up of 貝 and 斦; this describes 質, not the simplified 质.

Open 质 →

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

This origin belongs to the traditional form 學; 学 is its simplified writing.

The traditional form 學 may have used 爻 and 六 for sound, with hands and a child added later; the simplified 学 is a shorthand.

Open 学 →
Appears in

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