attenuate

verb · adjectiveB2

Định nghĩa theo từ loại

Động từ

verb

V_es/s

attenuates

V_ing/Gerund

attenuating

V_ed/pp

attenuated

1.
(transitive)To reduce in size, force, value, amount, or degree.
2.
(transitive)To make thinner, as by physically reshaping, starving, or decaying.
3.
(intransitive)To become thin or fine; to grow less.
4.
(transitive)To weaken.
5.
(transitive)To rarefy.
6.
(transitive)(transitive, medicine) To reduce the virulence of a bacterium or virus.
7.
(transitive)(transitive, electronics) To reduce the amplitude of an electrical, radio, or optical signal.
8.
(brewing) Of a beer, to become less dense as a result of the conversion of sugar to alcohol.

Tính từ

adjective

Comparative

more attenuate

Superlative

most attenuate

1.
Slender, thin.
2.
(in consistency) Rarefied, thin, refined.
3.
(botany, of leaves) Gradually tapering into a petiole-like extension toward the base.

Từ liên quan

Đồng nghĩa

weaken diminish lessen dilute mitigate slender

Trái nghĩa

amplify strengthenintensifyelectronics amplify

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Nguồn gốc từ

The verb is 1530, the adjective in 1626; Latin attenuātus, the perfect passive participle of attenuō (see -ate and -ate), from ad- (to, towards, at) + tenuo (to make thin), itself from tenuis (thin) + -ō.