fixed idea; idée fixe; stereotype; prejudice
landline telephone; fixed-line telephone
built-in audience; regular customers
real estate tax; fixed assets tax; property tax
regular pay; fixed salary
fixed cost; fixed expense
fixed artillery; fixed gun
solid (an assured, a safe) vote; solid (assured) support
expected overtime (stipulated as a specific number of hours)
fixed exchange rates; pegged rate of exchange; fixed rate
online handle (esp. on an online forum like 2ch where the majority of users post anonymously); screen name; user name; user who uses an online handle (instead of posting anonymously)
fixed lateral; fixed side; fixed part
fixed-point representation system
fixed exchange rate system
fixed radix (numeration) system; fixed radix notation
fixed overtime pay; fixed overtime salary
fixation; rigidification; entrenchment; immobilization
permanent connection; fixed connection
pinned tweet (tweet that always appears at the top of one's account page)
fixed gear (on a bicycle)
heat fixing; heat setting
carbon fixation; carbon assimilation
nonprogrammable calculator
carbon fixation; carbon assimilation