CALIPER is validvalid

to use a type of measuring device [v CALIPERED, CALIPERING, CALIPERS]

34,882 of 196,601 in NWL2023·also valid in CSW24

in papermaking, a measure of the thickness of a single sheet of paper, also CALLIPER [n -S] / to measure with calipers [v -ED, -ING, -S]