Definition
Responses or changes that happen when something acts upon you, or in chemistry, when substances combine to form new things.
Etymology
From Latin 're-' (back) + 'agere' (to do/act), meaning 'to act back.' The word came into science to describe chemical processes in the 1600s-1700s.
Kelly Says
Your nose literally has a chemical reaction to smells—odor molecules bind to receptors that trigger signals to your brain in milliseconds, which is why you smell danger before you consciously see it.
Translations
ARالعربية
تفاعلات
ti-fa-a-lat
BNবাংলা
প্রতিক্রিয়া
pro-tik-ri-ya
CACatalà
reaccións
reak-tsi-o-ns
DADansk
reaktioner
reak-tion-er
DEDeutsch
Reaktionen
reak-tsi-o-nen
ELΕλληνικά
αντιδράσεις
an-ti-dra-seis
ESEspañol
reacciones
reak-see-o-nes
FAفارسی
واکنشها
va-kash-ha
FISuomi
reaktioita
reak-tio-i-ta
FRFrançais
réactions
reak-see-o-ns
HEעברית
תגובות
ti-gu-vot-im
HIहिन्दी
प्रतिक्रियाएँ
prak-riya-en
HUMagyar
reakciók
reak-ci-ok
IDBahasa Indonesia
reaksi
reak-si
ITItaliano
reazioni
reak-zee-o-ni
MRMR
प्रतिक्रिया
prak-riya
MSBahasa Melayu
tindak balas
tin-dak ba-las
MYမြန်မာ
ပြန်လည်မှု
pyan-li-mu
NLNederlands
reacties
reak-ti-es
NONorsk
reaksjoner
reak-shjon-er
PLPolski
reakcje
reak-ch-je
PTPortuguês
reações
re-a-soes
RORomână
reacții
reak-tsii
RUРусский
реакции
reak-tsi-i
SVSvenska
reaktioner
reak-tion-er
SWKiswahili
majibu
ma-ji-bu
TAதமிழ்
வினையின்
vi-ni-yin
TEతెలుగు
reaciton
reak-i-shon
THไทย
การตอบสนอง
gan-d-song
UKУкраїнська
реакції
reak-tsi-i
URاردو
ردود عمل
re-dood a-amal
VITiếng Việt
phản ứng
phan ung