universal beam noun

A beam made in a standard size

universal coupling same as universal joint below.

universal donor noun

A person whose blood is of group O, which can therefore be transfused into persons of other blood groups

universal grinder noun

A versatile machine tool, able to perform external and internal cylindrical grinding, surface-grinding, etc

universal indicator noun

A mixture of chemical indicators that gives a definite colour change for each integral change in pH value over a wide range

universal joint noun

A joint capable of turning all ways

universal quantifier noun (logic)

A formal expression indicating that a statement is true for all members of a universe of discourse

universal recipient noun

A person whose blood is of group AB and who can therefore receive blood of most other groups

universal set same as universe of discourse below.

universal time noun

Mean solar time or Greenwich time, in which the value of the second is subject to irregularities which are due to characteristics of the earth's rotation

universe of discourse noun (logic)

All of the objects, ideas, etc that are expressed or implied in a discussion