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映射 (yìng shè) — (literal) to shine upon; to cast light on; (technical) mapping; to map (math, linguistics, computer science)

Definition

映射 means both 'to cast light on' (literal, 映+射) and — the common HSK 7 sense — 'mapping / to map' in math, linguistics, or computer science, where elements of one set correspond to another.

verb
(literal) to shine uponto cast light on(technical) mappingto map (math, linguistics, computer science)

Examples

  • 映射，。
    Yuè guāng yìng shè zài hú miàn shàng, fēi cháng měi.
    Moonlight shines on the lake surface, very beautiful.
  • 映射。
    Zhè ge tú xiàng xiǎn shì le wēn dù hé shí jiān zhī jiān de yìng shè guān xì.
    This graph shows the mapping relationship between temperature and time.
  • ，IP映射。
    Zài zhè ge xì tǒng zhōng, IP dì zhǐ bèi yìng shè dào wù lǐ wèi zhì.
    In this system, IP addresses are mapped to physical locations.

Origin

Compound word
构词法gòucífǎ
联合liánhéCoordinate

Two parts of equal weight, alike or opposite in meaning, standing side by side.

映yìngreflect/shine
射shèproject/shoot

映 relates to reflection or shining, and 射 to projecting light, together giving 'shine upon' and the technical sense of mapping.

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
日日rìsun
Sound part声符shēngfú
央
央yāng映yìng
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

映 pairs 日, the sun, with 央 as a sound element.

Open 映 →

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

In 射, the left part comes from 弓 (bow) and 矢 (arrow), and the right part comes from a hand drawing the bowstring.

Open 射 →
Appears in
Computers & InternetMath

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