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photoelectric
/ˌfoʊtoʊɪˈɫɛktɹɪk/
adjective
related to the release of electrons from a surface in the process of lighting
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photometer
/fəˈtɑmɪtɝ/
noun
a tool used for measuring the power of light
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photometry
/foʊtˈɑːmətɹi/
noun
the scientific measurement of light in terms of its intensity, color, and other properties
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phosphorescence
/ˌfɑsfɝˈɛsəns/
noun
a light that is released for a long period of time even after its source energy is gone or finished
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to subordinate
/səˈbɔɹdəˌneɪt/, /səˈbɔɹdənət/
verb
to make one obey without any question
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subsequent
/ˈsəbsəkwənt/
adjective
coming or existing after something else; following
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subservience
/səbˈsɝviəns/
noun
the quality of obeying other people without any question
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subservient
/səbˈsɝviənt/
adjective
ready to do what an authority asks for without questioning it
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acute
/əkˈjut/
adjective
severe in degree; very serious
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acumen
/əkˈjumən/
noun
the quality of having a sharp sense of judgment and decision-making
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bicameral
/baɪkˈæmɹəl/
adjective
consisting of two law-making groups
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biennial
/baɪˈɛniəɫ/
adjective
(of a plant) growing during the first year of its life, producing fruits or flowers and die in the second year
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to bifurcate
/ˈbaɪfɝˌkeɪt/, /ˈbɪfɝˌkeɪt/
verb
to split something into two distinct parts
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bigamy
/bˈɪɡæmi/
noun
the act of marrying one person while still legally married to another
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bilateral
/baɪˈɫætɝəɫ/
adjective
possessing two sides
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bilingual
/baɪˈɫɪŋɡwəɫ/
adjective
describing the ability to speak, understand, or use two languages fluently
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foursome
/ˈfɔɹsəm/
noun
a group consisting of four members
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fourth
/ˈfɔɹθ/
determiner
coming or happening just after the third person or thing
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legion
/ˈɫidʒən/
noun
an old-fashioned term for referring to army
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legionary
/lˈiːdʒənˌɛɹi/
noun
a soldier who fights in a very large group that is a part of an army called legion
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