pyc·nom·e·ter 
(pĭk-nŏmĭ-tər)
(pĭk-nŏmĭ-tər)n.
A standard vessel used in measuring the density or specific gravity of materials.
[Greek puknos, dense + -METER.]
- make allowance/allowances for
- make allowance for
- make allowances for
- make/a mock of
- make a mountain out of a molehill
- make a point of
- make a stink
- make away with
- make bail
- make believe
- make-believe
- make bold
- make book
- make day
- make do
- make-do
- make ducks and drakes of ducks and drakes with
- make ducks and drakes of/play ducks and drakes with
- make ducks and drakes play ducks and drakes with
- make ends meet
- make eyes
- make flesh crawl
- make for
- make fun of
- make good