I3, I-3 or i3 may refer to:

Science and technology

Core i3 Core or cores may refer to: Science and technology * Core (anatomy), everything except the appendages * Core (manufacturing), used in casting and molding * Core (optical fiber), the signal-carrying portion of an optical fiber * Core, the central ...

, a microprocessor line from Intel *

i3 (window manager) i3 is a tiling window manager designed for X11, inspired by wmii and written in C. It supports tiling, stacking, and tabbing layouts, which it handles dynamically. Its configuration is achieved via a plain text file and extending i3 is possi ...

, a tiling window manager *

Triiodide In chemistry, triiodide usually refers to the triiodide ion, . This anion, one of the polyhalogen ions, is composed of three iodine atoms. It is formed by combining aqueous solutions of iodide salts and iodine. Some salts of the anion have bee ...

(I₃⁻), an anion composed of 3 iodide atoms * Intermud-3, an

InterMUD LPMud, abbreviated LP, is a family of MUD server software. Its first instance, the original LPMud game driver, was developed in 1989 by Lars Pensjö (hence the LP in LPMud). LPMud was innovative in its separation of the MUD infrastructure into a ...

network method between MUDs * Axiom I3, a large cardinal axiom in

rank-into-rank In set theory, a branch of mathematics, a rank-into-rank embedding is a large cardinal property defined by one of the following four axioms given in order of increasing consistency strength. (A set of rank < λ is one of the elements of the set V< ...

set theory

Transport

Interstate 3 Interstate 3 (I-3), the 3rd Infantry Division Highway, is a proposed Interstate Highway in the United States to run from Savannah, Georgia, north to Augusta, Georgia, and Knoxville, Tennessee. The roadway was proposed in the same federal highw ...

, a proposed Interstate Highway in the U.S. states of Georgia and Tennessee *

BMW i3 The BMW i3 is a B-segment, high-roof hatchback manufactured and marketed by BMW with an electric powertrain using rear-wheel drive via a single-speed transmission and an underfloor Lithium-ion battery, lithium-ion battery pack and an optional R ...

, an electric car by BMW *

Inline-triple engine A straight-three engine (also called an inline-triple or inline-three) is a three-cylinder piston engine where cylinders are arranged in a line along a common crankshaft. Less common than straight-four engines, straight-three engines have nonethe ...

, an internal combustion engine with three cylinders in a straight line *

LB&SCR I3 class The LB&SCR I3 class was a class of 4-4-2 steam tank locomotives designed by D. E. Marsh for suburban passenger service on the London, Brighton and South Coast Railway. History After introducing two unsuccessful designs of 4-4-2 tank locomoti ...

, a British LB&SCR locomotive

Military

* , a

Type J1 submarine The , also called were large cruiser submarines (Junsen type submarines) of the Imperial Japanese Navy. Four boats were built between 1926 and 1929. These boats, based on the KD2 and U-139 designs, were of a junsen, or cruiser, type with an i ...

of the Imperial Japanese Navy *

i3 fighter The i3 Fighter is a conceptual jet fighter proposed by the Ministry of Defense (Japan), Ministry of Defense of Japan in 2010 in association with development of the successor to the Mitsubishi F-2 fighter. The i3 stands for Informed, Intelligent an ...

, a conceptual Japanese jet fighter proposed in 2010 *

Mikoyan-Gurevich I-3 The Mikoyan-Gurevich I-3 was the first of three interrelated fighter prototype programs developed by the Mikoyan-Gurevich design bureau in the Soviet Union in the mid/late 1950s – starting with the I-3, continuing with the I-7 and finally evo ...

, a heavy interceptor prototype fighter of the 1950s *

Polikarpov I-3 The Polikarpov I-3 (russian: Поликарпов И-3) was a Soviet fighter designed during the late 1920s. It entered service in 1929, but was retired in 1935 with the advent of fighters with higher performance. Design and development Develo ...

, a 1928 Soviet biplane fighter

Science and technology

Transport

Military

See also