(physics) Having odd numbers of both protons and neutrons.

Differing from what is usual, ordinary or expected. / Peculiar, singular and strange in looks or character; eccentric, bizarre.

(mathematics, diminutive) An odd number. / (colloquial) Something left over, not forming part of a set.

Initialism of oppositional defiant disorder. / (computing) Initialism of optical disc drive.

Plus some indeterminate fraction not amounting to the next higher round number or significant digit; and change; -some.

plural of oddness

Likely: alternative spelling of odds-on

(idiomatic) In disagreement; conflicting.

The ratio of the probability of an event happening to that of it not happening. / The ratio of winnings to stake in betting situations. / Odd numbers. / plural of odd

(uncountable) The state or quality of being odd. / (countable) The result or product of being odd.