variable

Từ điển Oxford Advanced Learner 8th

vari·able AW [variable variables] adjective, noun BrE [ˈveəriəbl] NAmE [ˈveriəbl] NAmE [ˈværiəbl]
adjective
1. often changing; likely to change
Syn: fluctuating
•variable temperatures
•The acting is of variable quality (= some of it is good and some of it is bad).
compare ↑invariable
2. able to be changed
•The drill has variable speed control.
•variable lighting

Word Origin:
late Middle English: via Old French from Latin variabilis, from variare, from varius ‘diverse’.

Example Bank:
•These systems are infinitely variable.
•variable in shape
•The acting is of variable quality.
•The forecast is based on assumptions of variable temperature.
•The kitchen boasts stylish units and variable lighting.
Derived Word: ↑variably
 
noun
a situation, number or quantity that can vary or be varied
•With so many variables, it is difficult to calculate the cost.
•The temperature remained constant while pressure was a variable in the experiment.
Opp: ↑constant

Word Origin:
late Middle English: via Old French from Latin variabilis, from variare, from varius ‘diverse’.
 

• Từ đồng nghĩa / Synonyms:
  varying, variable star, variable quantity