effective

adjective · nounB2

Định nghĩa theo từ loại

Tính từ

adjective

Comparative

more effectivemost effective

Superlative

eff.

1.
Having the power to produce a required effect or effects.
The pill is an effective method of birth control.
Đồng nghĩa: efficacious
2.
Producing a decided or decisive effect.
The president delivered an effective speech!
Đồng nghĩa: telling
3.
Efficient, serviceable, or operative, available for useful work.
How long does it take to make a bunch of civilians an effective military force?
My effective income after taxes and child support is $500 a month.
The effective radiated power is determined by multiplying the transmitter power output with the antenna gain.
The effective voltage of an alternating current is 0.7 times its peak voltage.
4.
Actually in effect.
effective immediately
The curfew is effective at midnight.
5.
(geometry, of a cycle or divisor) Having no negative coefficients.
6.
(algebra, of a group action) Such that no group element acts trivially.
7.
(physics, for any effective theory) approximate; Not describing the fundamental dynamic changes in some system as they happen.

Danh từ

noun

Plural noun:

effectiveseff.

1.
(military) a soldier fit for duty

Từ liên quan

Đồng nghĩa

efficacious telling

Trái nghĩa

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Nguồn gốc từ

effect From French effectif, from Latin effectīvus (productive; effective), from efficiō (to make; to bring about), equivalent to effect + -ive.