latency

/ˈleɪtənsi/ (bre, ipa) · /ˈleɪtənsi/ (ame, ipa) · /ˈlā-tᵊn(t)-sē/ (ame, mw)

latency — 名詞

1. the short pause between asking a computer or network to do something and that ac

1.名詞C1
釋義

延遲;延時

資料傳輸或系統反應的時間落差

the short pause between asking a computer or network to do something and that action actually happening, usually measured in milliseconds

例句

Online gamers in rural Vietnam often complain about high latency during fast-paced matches.

越南鄉下的線上玩家在快節奏對戰中常常抱怨延遲很高。

collocation: high latency

Takeshi upgraded the router so the family video calls would have lower latency.

Takeshi 升級了路由器,讓家裡的視訊通話延遲變低。

collocation: lower latency

同義詞
  • lag

    informal everyday word for the same delay; common in gaming chat

  • delay

    general term; latency specifies the response time of a system

  • response time

    engineering term; emphasises how long the system takes to react

反義詞

文法句型

high/low latency

network latency

用法筆記

Almost always uncountable and almost always paired with high/low or with a precise time figure. Subject is usually a system, connection, or signal — not a person.

常見錯誤

My internet has many latencies today.
My internet has high latency today.
💡latency is uncountable here, like 'traffic' or 'noise'.

2. the quality of something that already exists inside a person, group, or organism

2.名詞C2
釋義

潛伏;潛藏

存在但尚未顯現或發作的狀態

the quality of something that already exists inside a person, group, or organism but stays hidden until the right conditions wake it up — for example a sleeping virus or an unspoken talent

例句

Doctors warned Élise about the long latency of the chickenpox virus inside her nerve cells.

醫生提醒 Élise,水痘病毒會長期潛伏在她的神經細胞裡。

pattern: the latency of [a virus/condition]

The painting hints at the quiet latency of grief beneath the family's smiling faces.

這幅畫暗示著一家人笑容底下哀傷的潛藏狀態。

abstract: latency of [emotion]

同義詞
  • dormancy

    sleeping state, especially of plants, animals, or viruses

  • potentiality

    philosophical or literary; an existing but unused capacity

反義詞
  • activity

    the visible, working state opposite to hidden latency

文法句型

the latency of X

remain in latency

用法筆記

Formal and abstract; appears most often in medical, scientific, or literary writing. Distinct from sense 1, which is always about timing in a system. Often follows 'the' + adjective.

常見錯誤

My laptop has a five-second latency to wake up, so it is in latency.
My laptop has a five-second wake-up delay.
💡sense 2 is about a hidden quality, not a measurable wait.

3. in psychology and biology, the short gap between a signal and the body's first r

3.名詞C2
釋義

反應時間

刺激出現到身體首次反應之間的時間

in psychology and biology, the short gap between a signal and the body's first reaction to it — for example, how quickly a muscle moves after a nerve fires

例句

Aarav recorded the latency between the flashing light and each child's button press.

Aarav 紀錄了閃光燈和每個孩子按下按鈕之間的反應時間。

pattern: latency between [stimulus] and [response]

Researchers in Lagos found a longer latency in sleep-deprived test subjects.

拉哥斯的研究人員發現睡眠不足的受試者反應時間更長。

comparative: longer latency

同義詞
  • reaction time

    the everyday term for the same idea outside the lab

  • response time

    engineering term used when measuring people or machines

文法句型

response latency

latency of N milliseconds

用法筆記

Restricted to scientific writing about reflexes, reaction times, or nerve signals. Subject is usually a person, an animal, or a body tissue. Often used with a precise time figure such as 'a latency of 200 milliseconds'.

常見錯誤

The boy has a high latency in maths class.
The boy has a slow reaction time in maths class.
💡sense 3 belongs in a lab report, not everyday speech.