Answer: GAP

AnswerCrossword Clue
GAPNoticeable opening
GAPWord after gender or generation
GAPDisparity
GAPObvious space
GAPBreach
GAPBreak
GAPClothing chain, with "The"
GAPGenerational misunderstanding
GAPClothing chain
GAPGeneration ..
GAPIt may be bridged
GAPInfamous feature of the Nixon White House tapes
GAPOrthodontist's concern
GAPAdjust, as a spark plug
GAPDisconnection
GAPGender problem?
GAPObstacle in father-son relations
GAPPopular clothing chain
GAPChain with threads?
GAPNixon tape mystery
gapopening
GAPPass between peaks
GAPLetterman dental feature
GAPHiatus
GAPOpening
GAPDiscontinuity
GAPLetterman's dental feature
GAPSpace in the record, say
GAP... Kids
GAPSpace
GAPIntervening space
GAPCumberland, e.g.
GAPPass or slit
GAPSpace in between
GAPMountain pass
GAPSpark-plug specification
GAPWatergate tapes feature
GAPEmpty space
GAPWatergate-tapes feature
GAP"Mind the ..." (London Underground warning)