Definition
A radioactive chemical element (atomic number 89) that emits rays of energy and was named for its radioactivity.
Etymology
From Greek 'aktis' (ray), named by its discoverer Pierre Debierne in 1899 to highlight its intense radioactivity and the rays it emits.
Kelly Says
Actinium-227 is so radioactive that it glows in the dark with blue-green light from sheer radiation—it was one of the first elements where scientists realized that atoms themselves could be unstable and break apart, revolutionizing physics.
Translations
AMአማርኛ
አክቲኒየም
ak-tee-nee-yeem
ARالعربية
أكتينيوم
ak-tee-nee-oom
BNবাংলা
অ্যাক্টিনিয়াম
ak-tee-nee-yam
CACatalà
actini
ak-tee-nee
CSČeština
actinium
ak-tee-nee-um
DADansk
actinium
ak-tee-nee-um
DEDeutsch
Actinium
ak-tee-nee-um
ELΕλληνικά
ακτινίου
ak-tee-nee-oo
ESEspañol
actinio
ak-teen-ee-oh
FAفارسی
اکتینیم
ak-tee-nee-m
FISuomi
actinium
ak-tee-nee-um
FRFrançais
actinium
ak-tee-nee-əm
GUGU
ઍક્ટિનિયમ
a-ktee-nee-yam
HAHA
actinium
ak-tee-nee-um
HEעברית
אקטניום
ak-tee-nee-om
HIहिन्दी
एक्टिनियम
ak-tee-nee-yam
HUMagyar
actinium
ak-tee-nee-um
IDBahasa Indonesia
actinium
ak-tee-nee-um
IGIG
actinium
ak-tee-nee-um
ITItaliano
attinio
at-tee-nee-o
KMKM
អាក្ទីនីយ៉ូម
a-ktee-nee-yom
MRMR
एक्टिनियम
ak-tee-nee-yam
MSBahasa Melayu
actinium
ak-tee-nee-um
MYမြန်မာ
အက်တီနီယမ်
a-ktee-nee-ye-m
NLNederlands
actinium
ak-tee-nee-um
NONorsk
actinium
ak-tee-nee-um
PAPA
ਐਕਟਿਨੀਅਮ
a-ktee-nee-yam
PLPolski
actinium
ak-tee-nee-um
PTPortuguês
actínio
ak-tee-nyo
RORomână
actiniu
ak-tee-nee-oo
RUРусский
актини́й
ak-ti-nee
SVSvenska
actinium
ak-tee-nee-um
SWKiswahili
actinium
ak-tee-nee-um
TAதமிழ்
ஆக்டினியம்
a-g-tee-nee-yam
TEతెలుగు
అక్టీనియం
ak-tee-nee-yam
THไทย
แอคทีเนียม
a-ktee-ne-eam
TLTL
actinium
ak-tee-nee-um
TRTürkçe
actinyum
ak-tin-yum
UKУкраїнська
акти́ній
ak-tee-nee
URاردو
اکٹینیئم
ak-tee-nee-em
VITiếng Việt
actini
ak-tee-nee
YOYO
aktinīyamu
ak-tee-nee-ya-moo
ZUZU
aktinīyamu
ak-tee-nee-ya-moo