Might-be

"There is a might-be particle called a 'magnetic monopole' that was suggested by certain theories of Dirac and others but had never been observed.

Source: wiktionary

In the Biology Teachers'" Handbook (Wiley, 1963), Schwab writes: A hypothesis is a "might be", a possibility which we intend to test . . . one of the values of a hypothesis consists in the fact that it can be made to point like an arrow [...]

Source: wiktionary

Firstness comprises anything capable of being described without contradiction (2.667), it is a might-be, in other words, pure possibility, which Peirce calls "quality": "mere quality, or suchness, is not in itself an occurrence, as seeing a red object is; it is a mere may-be.

Source: wiktionary

It is a might be, a mere possibility from the tossing ocean of pure chance.

Source: wiktionary