Answer:

sqin

AnswerCrossword Clue
SQINSmall meas
SQIN6,272,640th of an A.
SQINNewspaper ad meas.
SQINMagazine ad meas.
SQINOne of 16 in a 4x4 tile: Abbr.
SQINSmall fraction of an acre (abbr.)
SQINTV viewing area meas.
SQINArea unit (abbr.)
SQINArea meas.
SQINSm. area
SQINArea unit: Abbr.
SQINOne of 6,272,640 in an acre: Abbr.
SQINA measure: Abbr.
SQINSmall measurement: Abbr.
SQINMeasure of area: Abbr.
SQINArea measure: Abbr.
SQINMeasurement unit: Abbr.
SQINMeas. of area
SQIN1-64 of a checkerboard, maybe: Abbr.
SQINTwo-dimensional meas.
SQINPostage stamp size, briefly
SQINCertain area meas.
SQINSmall area meas.
SQINNewspaper space meas.
SQINAd space meas.
SQINAbbr. in many an area measure