My prefix is not a dub
My infix is a common base
My suffix is a quingenti sub
My whole is a common replace
What am I?
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2 Answers
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My prefix is not a dub
L for lose - dub is a slang abbreviation for the letter W (double-u) usually for a win.
My infix is a common base
$e$ is the base of the natural logarithm.
My suffix is a quingenti sub
D - 500 in Roman numerals.
My whole is a common replace
LED - light-emitting diode, replacing other light bulbs. Diodes only let electricity flow in one direction.
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Could you be
PROTEND?
My prefix is not a dub
PRO. One meaning of "dub" is "an inexperienced or unskilful person", and a pro would be the opposite.
My infix is a common base
TEN, a common base for human number systems.
My suffix is a quingenti sub
D, the Roman numeral for 500.
My whole is a common replace
PROTEND seems like a typo for the commoner word PORTEND.
Title:
PROTEND means to extend or stretch forth (in one direction).
answered Feb 20, 2020 at 16:12
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$\begingroup$ Nice answer! Unfortunately not the one I was looking for, although you got one of the fixes right ;) $\endgroup$– DavidCommented Feb 21, 2020 at 7:52