crystal

/ˈkrɪstl/ (bre, ipa) · /ˈkrɪstl/ (ame, ipa) · /ˈkri-stᵊl/ (ame, mw)

crystal — 名詞

1. a very clear, high-quality type of glass. Its surface is often cut into patterns

1.名詞B1
釋義

水晶玻璃

高品質透明玻璃,常雕刻花紋

a very clear, high-quality type of glass. Its surface is often cut into patterns that reflect light, and it is used to make drinking glasses, bowls, and decorative objects.

例句

The dining table was set with crystal glasses that sparkled in the candlelight.

餐桌上擺著水晶玻璃杯,在燭光中閃閃發亮。

uncountable noun for glass material

Aunt Rosa brought out her crystal vase for the anniversary flowers.

Rosa 阿姨拿出她的水晶花瓶來插週年紀念的花。

同義詞
  • glass

    much broader; ordinary glass is not cut or as clear as crystal

  • lead crystal

    specific type of crystal containing lead oxide for extra brilliance

用法筆記

As an uncountable noun, crystal refers to the material itself (“a vase made of crystal”). As a countable noun, it refers to a single object (“three crystal—” often ellipsis).

2. the transparent protective window positioned over a timepiece’s dial. It is made

2.名詞B2
釋義

錶面蓋

手錶或時鐘的透明保護蓋

the transparent protective window positioned over a timepiece’s dial. It is made from glass, acrylic, or synthetic sapphire and shields the hands and numerals from scratches, dust, and moisture.

例句

The crystal on Ezra’s watch cracked after he bumped it against the door frame.

Ezra 的錶面蓋在撞到門框後裂開了。

A scratch on the crystal can make the whole watch face hard to read.

錶面蓋刮傷後,整只手錶就很難看清時間了。

definite article: the crystal (specific part of the watch)

同義詞
  • watch glass

    less common; used mainly in older or technical descriptions

  • face cover

    non-technical description rather than a true synonym

用法筆記

In watch repair and sales contexts, “crystal” is the standard term for this part; “glass” is sometimes used informally.

3. a tiny, solid fragment of a chemical that has taken on an orderly, multi-sided s

3.名詞B2
釋義

結晶體

化學物質凝固後形成的有規則形狀的小塊

a tiny, solid fragment of a chemical that has taken on an orderly, multi-sided shape through natural processes. These fragments appear when a liquid freezes, a solution evaporates, or a vapour turns directly into a solid.

例句

The lab technician watched sugar crystals form as the syrup cooled.

實驗室技術員看著糖漿冷卻後形成糖的結晶體。

Ife collected salt crystals from the edge of the dried-up tide pool.

Ife 從乾涸的潮池邊緣收集鹽的結晶體。

countable: individual crystal pieces

同義詞
  • grain

    smaller and less regular in shape; used for particles like sand or sugar

  • solid

    much broader; any solid substance, not necessarily crystalline

用法筆記

This sense is the everyday meaning of crystals as small, visible, solid forms. Distinguish from sense 4, which describes the scientific atomic structure of any crystalline solid.

4. any solid substance in which atoms, molecules, or ions sit at fixed positions th

4.名詞C1
釋義

晶體結構

原子或分子呈規則排列的固體

any solid substance in which atoms, molecules, or ions sit at fixed positions that repeat in all three directions, forming a regular grid known as a lattice. Most metals, minerals, salts, and semiconductors belong to this category.

例句

In physics class, the students learned how X-rays reveal the crystal structure of metals.

物理課上,學生們學習了 X 光如何揭示金屬的晶體結構。

A single crystal of silicon can be sliced into thin wafers for computer chips.

一片單晶矽可以切成薄片,用來製作電腦晶片。

countable: a single continuous piece with ordered structure

同義詞
  • crystalline solid

    the formal scientific term; “crystal” is the shortened everyday form

  • lattice structure

    refers specifically to the repeating arrangement rather than the material itself

反義詞

用法筆記

Frequently used in scientific contexts: materials science, mineralogy, solid-state physics. The uncountable form (“crystal” as a category) is common: “The sample is a form of crystal.”

5. a clear, colourless mineral, most commonly quartz, that is cut and polished for

5.名詞B1
釋義

水晶礦石

透明無色礦物,常用於珠寶

a clear, colourless mineral, most commonly quartz, that is cut and polished for use in jewellery, ornaments, or believed by some to have healing or calming properties.

例句

Padma wore a clear crystal pendant around her neck during the meditation retreat.

Padma 在冥想靜修時戴了一條透明水晶墜子的項鍊。

The shop sold crystal beads, amethysts, and polished stones from Brazil.

那家店賣水晶珠子、紫水晶和來自巴西的抛光石頭。

uncountable: crystal as a type of mineral material

同義詞
  • quartz

    the specific mineral; crystal is a broader term that can include other minerals

  • rock crystal

    traditional name for colourless quartz used in jewellery

  • gemstone

    broader category; not all gemstones are clear or crystalline

用法筆記

When used uncountably (“set in crystal”), it refers to the mineral material. When countable (“a crystal”), it refers to a single cut or natural piece.

6. a slang term for the illegal drug methamphetamine, especially in its solid, crys

6.名詞
釋義

冰毒

甲基安非他命的俗稱,結晶狀毒品

a slang term for the illegal drug methamphetamine, especially in its solid, crystalline form that is smoked or injected.

例句

The documentary followed three families in rural Tennessee whose sons had fallen into crystal addiction.

這部紀錄片跟拍了田納西州鄉村的三個家庭,他們的兒子都染上了冰毒。

Police in Marshall County reported that crystal-related arrests had doubled since the steel mill shut down.

Marshall 縣警方通報,自從鋼鐵廠關閉後,冰毒相關的逮捕案件增加了一倍。

informal register; compound adjective crystal-related

同義詞
  • crystal meth

    the full informal name; slightly more specific than “crystal” alone

  • methamphetamine

    the formal chemical name; neutral register

用法筆記

Always uncountable in this sense. Very informal and restricted to contexts about drug abuse, crime, and public health. Often appears in the compound “crystal meth.” Avoid in formal or polite conversation.

常見錯誤

She bought crystal for her chandelier’ (when meaning the drug).
She bought crystal meth’ or specify context clearly.
💡The drug sense is informal slang; without ‘meth’ the meaning may confuse readers.

7. a small, precisely cut piece of crystalline material, typically quartz, that vib

7.名詞C1
釋義

晶體元件

電子設備中用來控制頻率的晶體零件

a small, precisely cut piece of crystalline material, typically quartz, that vibrates at a stable frequency when electricity passes through it. Used in watches, radios, and computers to keep accurate time or control signals.

例句

The quartz crystal inside Yuna’s digital watch vibrates 32,768 times every second to keep the time accurate.

Yuna 的數位手錶裡有一顆石英晶體,每秒振動 32768 次以保持時間精準。

The engineer replaced the damaged crystal on the circuit board to restore the signal.

工程師更換了電路板上受損的晶體元件,恢復了訊號。

definite article: the specific component on the board

同義詞

用法筆記

Technical term in electronics. Also referred to as a “quartz crystal” or “timing crystal.” The frequency stability of the crystal makes it essential for precision timing.

crystal — 形容詞

crystal — 慣用語