A large peninsula in southeastern Europe surrounded by water on three sides: the Adriatic Sea to the west, the Mediterranean Sea (including the Ionian and Aegean Seas) to the south and the Black Sea to the east. Its northern boundary is often given as the Danube, Sava and Kupa rivers.

Synonym of Italian Peninsula

plural of penicillamine

A peninsula in Murmansk Oblast, in the far north of Russia. It borders upon the Barents Sea on the north and the White Sea on the east and south.

Alternative form of Peninsular Spanish

Alternative letter-case form of Iberian Peninsula

plural of penicillinase

(biochemistry) A specific type of beta-lactamase showing specificity for penicillins.

Any of the blue-green fungi, of the genus Penicillium, that are used in the manufacture of cheeses, and are an important source of antibiotics.

Indicates that the speaker has an allergy to penicillin.