portability

portability — 名詞

1. how easy something is to carry around because it is small and not heavy

1.名詞C1
釋義

可攜性

方便帶著走的特性

how easy something is to carry around because it is small and not heavy

例句

The laptop's portability let Nina finish reports on the train each morning.

這台筆電的可攜性，讓 Nina 每天早上能在火車上完成報告。

the portability of [device]

Parents chose the stroller for its portability and quick folding frame.

家長選這台嬰兒車，是看上它的可攜性和快速收折的設計。

portability for travel products

同義詞
  • transportability

    is more formal and often used in technical writing

  • compactness

    focuses on taking little space, not the full ease of carrying

  • lightness

    refers only to weight, so a light object is not always portable

反義詞
  • bulkiness

    focuses on large size that makes carrying awkward

  • heaviness

    focuses on weight rather than overall design

文法句型

the portability of [device/object]

portability for travel

design for portability

用法筆記

Usually used for products such as laptops, speakers, bags, and travel equipment. Distinguish from sense 2: this sense is about a physical object being easy to carry, not about moving data or benefits to a new system or job.

常見錯誤

❌This speaker has good portable for travel.
✅This speaker has good portability for travel.
💡portable is the adjective; portability is the noun.
❌The suitcase has many portabilities.
✅The suitcase offers good portability.
💡portability is normally uncountable.

2. how easily benefits, data, or an account can move with you to a new job or a new

2.名詞C1
釋義

可轉移性

換工作或系統仍能沿用

how easily benefits, data, or an account can move with you to a new job or a new system

例句

The law improved portability of pension benefits when workers changed jobs.

這項法律改善了退休金福利的可轉移性，讓勞工換工作時也能帶著走。

portability of pension benefits

Customers asked for data portability before moving photos to a new cloud service.

客戶在把照片移到新的雲端服務前，要求資料的可轉移性。

data portability

同義詞
  • transferability

    is the closest synonym and sounds slightly more formal

  • mobility

    can be used for workers or benefits moving between jobs, but it is broader

  • carry-over

    is more informal and often refers to value or credit kept from an earlier stage

反義詞
  • lock-in

    in technology or business, this means being stuck with one provider or system

  • non-transferability

    means something cannot be moved or kept when conditions change

文法句型

data portability

portability of benefits

portability between systems

用法筆記

Often appears with nouns such as data, benefits, pension, account, and system, especially in technology, finance, or policy writing. Distinguish from sense 1: this sense is about keeping something usable when you change jobs or platforms, not about an object's weight or size.

常見錯誤

❌The new service has good compatibility, so I can move my old files to it.
✅The new service has good portability, so I can move my old files to it.
💡compatibility means systems work together; portability means data or benefits can move across.
❌My pension portability moved with me automatically.
✅My pension benefits moved with me because the plan allowed portability.
💡portability names the feature, not the action itself.