Synonym of international relations, commonly abbreviated as IS.

(politics) The global constellation of states and their relations among each other. / Ellipsis of International System of Units. (alternative letter-case form)

Synonym of international relations, commonly abbreviated as IA.

(pharmacology) A particular, minute unit of mass, defined differently for different substances, but so that varying substances of the same general type have the property that one international unit of the one has the same effect on the human body as one international unit of the other.

plural of international unit

Alternative form of inner diameter

(biology) Fertilization achieved via copulation, primarily in mammals.

(politics) All of the countries in the world, collectively.

plural of internal condom

Synonym of female condom