unweighable

Proponents of phlogiston did not consider it to be a material substance, so it was therefore unweighable.

Priestley, Joseph 2008

Ironically, considering his opposition to phlogiston, among these substances was "caloric" — the unweighable substance of heat, and possibly light, that caused other substances to expand when it was added to them.

Lavoisier, Antoine-Laurent 2007

You come from a sensible country, where mysterious things are inquired into and are not settled to have been weighed and measured — or to have been unweighable and unmeasurable — or in either case to have been completely disposed of, for all time — ever so many years ago.

To Be Read At Dusk, by Charles Dickens 2004

But the more subtle the facts to be discovered become-the more they retreat into the realms of the invisible, the intangible, the unweighable, the submicroscopic, the abstract-the more expensive and timeconsuming it is to investigate them by scientific method.

Cities In Flight Blish, James 1957

The boys, in rolling and tumbling about, rolled Dainty, so-called because he never could get enough to eat, and because his quest showed in unweighable pounds of fat, deliberately down the small hill at the side of Camp

The Motor Girls on Crystal Bay or, The Secret of the Red Oar Margaret Penrose

It is natural that cerebricity should be the last of the unweighable agencies to be understood.

Over the Teacups Oliver Wendell Holmes 1851

It is natural that cerebricity should be the last of the unweighable agencies to be understood.

Complete Project Gutenberg Oliver Wendell Holmes, Sr. Works Oliver Wendell Holmes 1851

Police found such a small amount of crack cocaine in James V. Taylor's car that investigators described it as unweighable.

The Seattle Times 2010

Police found such a small amount of crack cocaine in James V. Taylor's car that investigators described it as unweighable.

The Seattle Times 2010