half-tone

half-tone — 名詞

1. a way of printing or copying a picture with tiny dots so it seems to have smooth

1.名詞C1
釋義

半色調

用疏密小點呈現灰階或色彩的印法或圖像

a way of printing or copying a picture with tiny dots so it seems to have smooth changes of grey or colour, or the picture made in that way.

例句

The newspaper used a half-tone to print the mayor's portrait cheaply.

那家報紙用半色調印法,以較低成本印出市長的肖像。

use a half-tone to reproduce a printed picture

Karim showed the class how tiny dots build a half-tone image.

Karim 向全班示範,細小的點如何組成一張半色調圖像。

half-tone image formed by tiny dots

同義詞
  • screened image

    focuses more on the printed result than on the process

  • photoengraving

    an older printing term, especially in traditional press work

  • raster image

    a digital graphics term; broader than half-tone

文法句型

print as a half-tone

a half-tone image

用法筆記

Common in printing, newspaper, and design talk. It can name either the dot-screen process itself or the printed picture that process creates.

2. the band of grey shades that lies between pure black and pure white in a photogr

2.名詞C1
釋義

灰階層次

照片裡黑白之間的灰階變化範圍

the band of grey shades that lies between pure black and pure white in a photograph or similar image.

例句

Hugo adjusted the photo so the half-tone between the clouds looked smoother.

Hugo 調整了照片,好讓雲層之間的灰階層次看起來更平順。

half-tone showing visible grey shading in a photo

The old poster still showed half-tone between the singer's black coat and white shirt.

那張舊海報在歌手黑外套和白襯衫之間,仍看得出灰階層次。

同義詞
  • grey scale

    the broader system of grey values, not just one picture's visible band

  • midtones

    only the middle greys, not the full dark-to-light range

文法句型

see the half-tone in [image]

lose the half-tone

用法筆記

Used when talking about visible shading inside a photo or similar image. Distinguish from sense 1: sense 2 names the grey range you can see, while sense 1 names the dot-based process or printed result.

3. the shortest move from one note to the next in Western music; a semitone.

3.名詞C1
釋義

半音

西洋音樂裡相鄰兩音間的最小音程

the shortest move from one note to the next in Western music; a semitone.

例句

The piano student moved up a half-tone to the next black key.

那位鋼琴學生往上移了半音,彈到下一個黑鍵。

move up a half-tone in a scale

Benjamin sang the last note a half-tone too high.

Benjamin 把最後一個音唱得高了半音。

同義詞
  • semitone

    the standard music-theory term in many textbooks

  • half step

    common classroom term, especially in American music teaching

反義詞
  • whole tone

    an interval twice as large as a half-tone

文法句型

up a half-tone

down a half-tone

用法筆記

Used mainly in music lessons and theory. British and American writers also use 'semitone'; in many teaching contexts, the two names refer to the same interval.

常見錯誤

Raise it one tone.
Raise it a half-tone.
💡a tone is a larger interval, so half-tone is the smaller single-step movement.