PT, Pt, or pt may refer to:
Pterosaurs (/ˈtɛrəˌsɔːr, ˈtɛroʊ-/; meaning "winged lizard") are flying reptiles of the extinct clade or order Pterosauria.
The Ptolemaic Kingdom (/ˌtɒləˈmeɪ.ɪk/; Ancient Greek: Πτολεμαϊκὴ βασιλεία, Ptolemaïkḕ Basileía) was a Hellenistic kingdom based in Egypt.
Claudius Ptolemy (/ˈtɒləmi/; Greek: Κλαύδιος Πτολεμαῖος, Klaúdios Ptolemaîos [kláwdios ptolɛmɛ́ːos]; Latin: Claudius Ptolemaeus; c.
A PT boat (short for Patrol Torpedo boat) was a torpedo-armed fast attack craft used by the United States Navy in World War II.
Pteranodon (/tᵻˈrænədɒn/; from Greek πτερόν ("wing") and ἀνόδων ("toothless") is a genus of pterosaurs which included some of the largest known flying reptiles, with wingspans over 6 metres (20 ft).
The PT-76 is a Soviet amphibious light tank that was introduced in the early 1950s and soon became the standard reconnaissance tank of the Soviet Army and the other Warsaw Pact armed forces.
The PT-91 Twardy ("resilient") is a Polish main battle tank. A development of the T-72M1, it first entered service in 1995. The PT-91 was designed at the OBRUM (OBRUM for Ośrodek Badawczo-Rozwojowy Urządzeń Mechanicznych – Polish for Research and Development Centre for Mechanical Appliances) and is produced by the Bumar Łabędy company, a part of the Bumar Group, a Polish technical military consortium.
Pterois is a genus of venomous marine fish, commonly known as lionfish, native to the Indo-Pacific. Pterois, also called zebrafish, firefish, turkeyfish or butterfly-cod, is characterized by conspicuous warning coloration with red, white, creamy, or black bands, showy pectoral fins, and venomous spiky fin rays.
Pterodactylus (/ˌtɛrəˈdæktᵻləs/ TERR-ə-DAK-til-əs, from the Greek πτεροδάκτυλος, pterodaktulos, meaning "winged finger") is an extinct flying reptile genus of pterosaurs, whose members are popularly known as pterodactyls ( /ˌtɛrəˈdæktᵻlz/).