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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
shout
wool
abdomen
avenge
subtype
quiet
rival
passion
exhume
enclose
feminine
unmoral
shrill
harddisk
envision
swipe
repair
finished
goatskin
divisibly
pa
atomic number 91
protoactinium
actinium
transuranium
protium
neptunium
curium
technetium
ionium
berkelium
francium
tetrafluoride
plutonium
americium