 phản tác dụng |
| phản ứng |
|
[ri:'æk∫n]
o phản ứng
o sự phản ứng, phản lực
§ alkylation reaction : phản ứng ankyl hóa
§ back reaction : phản ứng nghịch
§ balanced reaction : phản ứng đã cân bằng, phản ứng thuận nghịch
§ branched chain reaction : phản ứng dây chuyền phân nhánh
§ breading reaction : phản ứng dây chuyền
§ catalytic exchange reaction : phản ứng trao đổi xúc tác
§ chain reaction : phản ứng dây chuyền
§ chemical reaction : phản ứng hóa học
§ Diels-Alders reaction : phản ứng Diels-Alders (tổng hợp chất thơm)
§ drop reaction : phản ứng giọt
§ endothermal reaction : phản ứng thu nhiệt
§ exothermal reaction : phản ứng tỏa nhiệt
§ fast reaction : phản ứng nhanh
§ redistribution reaction : phản ứng phân bố lại
§ reversible reaction : phản ứng thuận nghịch
§ side reaction : phản ứng phụ
§ reaction value : giá trị phản ứng
Word families (Nouns, Verbs, Adjectives, Adverbs): act, action, inaction, interaction, reaction, transaction, act, acting
Word families (Nouns, Verbs, Adjectives, Adverbs): reaction, reactor, reactant, react, overreact, reactionary
Xem thêm: response, chemical reaction
reaction noun
1 response
ADJ. extreme, sharp, strong, violent | favourable, positive | adverse, hostile, negative | mixed The speech got a mixed reaction. | angry | first, immediate, initial | delayed Her outburst was a delayed reaction to an unpleasant letter she'd received that morning. | chain The change of plan set off a chain reaction of confusion. | mixed | common, general, public | natural, normal | automatic, gut, instinctive, knee-jerk, spontaneous The incident calls for a measured response, avoiding knee-jerk reactions. | nervous | emotional | critical The critical reaction to his first novel has been positive.
VERB + REACTION get, have, meet with The play met with a mixed reaction from the critics. | bring, cause, produce, provoke, set off, spark (off), trigger (off) She was surprised at the reaction brought by the mention of his delayed a delayed reaction to the drugs | allergic
VERB + REACTION have, suffer She had a very bad allergic reaction to the peanuts. | cause, produce
PREP. ~ to A small minority of patients suffer an adverse reaction to the treatment. name. | gauge, judge (by/from) He eyed her cautiously, trying to gauge her reaction. Judging by her reaction, she liked the present.
PREP. in ~ to There's been a drop in ticket sales in reaction to the review. | ~ against Her rebellious attitude is just a reaction against her strict upbringing. | ~ to the public reaction to the news
2 (usually reactions) ability to react quickly
ADJ. fast, good, lightning, quick | slow, sluggish
VERB + REACTION have She has very quick reactions. | speed up | slow down Alcohol has the effect of slowing down your reactions.
REACTION + NOUN time Your reaction time increases when you are tired.
3 chemical reaction
ADJ. chain | chemical, nuclear
VERB + REACTION cause, produce, start, trigger | stop | speed up | slow down
REACTION + VERB occur, take place
PREP. during/in a/the ~ the energy given out during the reaction | ~ between studying the reactions between certain gases | ~ with the fuel's chemical reaction with the surrounding water
4 allergy
ADJ. adverse, bad | mild, slight |
n.
he was pleased by the audience's reaction to his performance
John feared his mother's reaction when she saw the broken lamp
a bad reaction to the medicine
his responses have slowed with age
there was a chemical reaction of the lime with the ground water
his reaction to the news was to start planning what to do
his style of painting was a reaction against cubism
the forces of reaction carried the election
every action has an equal and opposite reaction
