variability

/ˌveəriəˈbɪləti/ (bre, ipa) · /ˌveriəˈbɪləti/ (ame, ipa) · /ˌverēəˈbilətē ˌva(a)r-, ˌvār-, -lətē, -i/ (ame, mw)

variability — 名詞

1. the degree to which something is likely to change or differ across different sit

1.名詞B2
釋義

變化性

事物容易改變或出現差異的特性

the degree to which something is likely to change or differ across different situations or over time

例句

Scientists at the weather station recorded high variability in temperatures across the region last winter.

氣象站的科學家記錄到去年冬天該地區氣溫的高度變化性。

collocation: high variability / low variability

The variability of oil prices made it hard for Otis to plan his company's yearly budget.

油價的變化性讓 Otis 難以規劃公司的年度預算。

variability + of + [cause] — causal pattern

同義詞
  • changeability

    less formal, more common in everyday speech

  • fluctuation

    narrower — refers specifically to repeated up-and-down movement, not general tendency to differ

  • volatility

    stronger connotation of sudden, large, and risky change; often used for prices or emotions

  • inconsistency

    negative connotation — suggests unreliability or lack of dependability

反義詞
  • consistency

    opposite meaning — lack of change or variation

  • stability

    suggests a steady, unchanging state

  • uniformity

    emphasises sameness across different instances rather than over time

文法句型

variability + of + noun phrase

variability + in + noun phrase

用法筆記

Uncountable noun — does not take a plural form. Most common in academic and scientific writing, typically paired with 'of' to indicate what changes and 'in' to specify the context.

常見錯誤

❌There are many variabilities in the data.
✅There is a lot of variability in the data.
💡variability is an uncountable noun and should not be used in the plural form.
❌The variation of the weather makes planning difficult.' (when meaning variability).
✅The variability of the weather makes planning difficult.
💡variation refers to a specific difference or change; variability refers to the general tendency or capacity to change.