Hypothermia caused by exposure to a cold environment.

A deliberate procedure of clinically induced cooling to stop the heart during surgery.

Non-Oxford British English standard spelling of hypothesize.

(transitive, intransitive) To assume or assert tentatively on uncertain grounds.

(statistics) A hypothesis set up to be nullified or refuted in order to support an alternative hypothesis. When used, the null hypothesis is presumed true until statistical evidence in the form of a hypothesis test indicates otherwise. Therefore, the null and the alternative hypothesis must be mutually exclusive and exhaustive.

(pathology) The disease state caused by insufficient production of thyroid hormone by the thyroid gland.

(transitive) To pledge (something) as surety for a loan; to pawn, mortgage. / (politics, Britain) To designate a new tax or tax increase for a specific expenditure

(statistics) A rival hypothesis to the null hypothesis. Their likelihoods are compared by a statistical hypothesis test.

An internal node in phylogenetic analysis; an inferred ancestral organism.

(US) Alternative spelling of hypocentre