uptake

/ˈʌpteɪk/ (bre, ipa) · /ˈʌpteɪk/ (ame, ipa) · /ˈəp-ˌtāk/ (ame, mw)

uptake — noun

1. how quickly and through what mechanism a substance such as oxygen, a drug, or a

1.名詞B2
釋義

how quickly and through what mechanism a substance such as oxygen, a drug, or a nutrient enters and becomes absorbed by a living body, tissue, or system

例句

The doctor measured Ramón's oxygen uptake during the exercise test.

collocation: oxygen uptake

After eating, Vivek's body showed a normal glucose uptake pattern.

同義詞
  • absorption

    more general term; 'absorption' covers liquids and gases being soaked up, while 'uptake' more often implies active transport into a biological system

  • intake

    focuses on the amount taken in through an opening (e.g., mouth, nose), not necessarily on what happens to it afterward

  • consumption

    emphasises using up a resource; 'uptake' can describe merely entering a system without being consumed

反義詞
  • release

    the opposite process — a substance leaving the body or system

  • excretion

    the removal of waste products from the body, the functional opposite of nutrient uptake

文法句型

uptake of [substance]

[substance] uptake

uptake into [body/system]

用法筆記

Frequently appears in scientific and medical contexts where the substance being absorbed is named before or after 'uptake' (e.g., oxygen uptake, uptake of calcium). Often measured or quantified.

常見錯誤

❌He has good uptake of the lesson.
✅He was quick on the uptake.
💡The absorption sense refers to physical substances, not mental learning; the mental meaning exists only in the fixed idiom 'quick/slow on the uptake.'

2. the rate or degree to which people begin to use or accept a new product, service

2.名詞B2
釋義

the rate or degree to which people begin to use or accept a new product, service, technology, idea, or opportunity

例句

The uptake of electric cars has grown quickly across Europe this year.

collocation: uptake of [product/technology]

Vaccine uptake among young adults in Taipei reached over eighty percent.

collocation: vaccine uptake

同義詞
  • adoption

    more active — implies a deliberate choice to start using something; 'uptake' can be more passive or measured

  • acceptance

    emphasises the willingness to receive something; 'uptake' implies actual use, not just willingness

  • take-up

    British English variant with identical meaning; slightly less formal

反義詞
  • rejection

    the decision not to use or accept something

  • resistance

    active opposition to adoption, often implying social or systemic barriers

文法句型

uptake of [product/technology/service]

[something] uptake

high/low uptake

用法筆記

Commonly used in business, public-health, and technology contexts with collective subjects (populations, markets, age groups). The rate is typically described as high, low, fast, slow, or widespread. Often paired with a quantifier (e.g., 'fifty percent uptake').