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Minimalist Dictionary
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protactinium
/ˌpɹəʊ.tækˈtɪn.i.əm/
noun
Synonyms
protoactinium
A chemical element (symbol Pa) with atomic number 91: a dense, silvery-gray actinide metal.
Word Frequency 1800~2019
Related words
Other words
kite
plow
dismiss
playhouse
dining
matchbook
unwieldy
alias
quill
swipe
malformed
emboss
computer
stucco
headpiece
unfixed
booting
demanding
confused
barista
pa
atomic number 91
protoactinium
actinium
transuranium
protium
neptunium
curium
technetium
ionium
berkelium
francium
tetrafluoride
plutonium
americium