The term two dots or double dot may refer to:

Orthography

Colon (punctuation) The colon, , is a punctuation mark consisting of two equally sized dots aligned vertically. A colon often precedes an explanation, a list, or a quoted sentence. It is also used between hours and minutes in time, between certain elements in medi ...

, the punctuation mark () *

Two dots (diacritic) Diacritical marks of two dots , placed side-by-side over or under a letter, are used in several languages for several different purposes. The most familiar to English language, English-language speakers are the Diaeresis (diacritic), diaeresis a ...

, a mark used with a base letter to indicate that its pronunciation is somehow modified () **

Diaeresis (diacritic) Diaeresis ( ) is a diacritical mark consisting of two dots () that indicates that two adjacent vowel letters are separate syllables a vowel hiatus (also called a diaeresis) rather than a digraph or diphthong. It consists of a two dots diacrit ...

, the diacritic mark used to denote the separation of two consecutive vowels **

Umlaut (diacritic) Umlaut () is a name for the Two dots (diacritic), two dots diacritical mark () as used to indicate in writing (as part of the letters , , and ) the result of the historical sound shift due to which former back vowels are now pronounced as front ...

, the diacritic mark to indicate the vowel-fronting sound change ***

Metal umlaut A metal umlaut (also known as röck döts) is a diacritic that is sometimes used gratuitously or decoratively over letters in the names of mainly hard rock or heavy metal bands—for example, those of Blue Öyster Cult, Queensrÿche, Motörhea ...

, gratuitous diacritic used in the names of some rock bands * Ethiopic wordspace (), a word divider in Geʽez script * In

old Turkic script The Old Turkic script (also known variously as Göktürk script, Orkhon script, Orkhon-Yenisey script, Turkic runes) was the alphabet used by the Göktürks and other early Turkic peoples, Turkic khanates from the 8th to 10th centuries to recor ...

, a colon-like symbol () is sometimes used as a word separator * , two vertical dots used to indicate a question in fifth century Syriac manuscripts *

Two dot punctuation Obelism is the practice of annotating manuscripts with marks set in the margins. Modern obelisms are used by editors when proofreading a manuscript or typescript. Examples are "stet" (which is Latin for "Let it stand", used in this context to me ...

mark, used as an obelism

Other

* Two Dots (game), a puzzle game for Android and IOS *

Leader (typography) A leader in typography is a series of characters, usually lines of dots or dashes, that are used as a visual aid to connect items on a page that might be separated by considerable horizontal distance. For example, dot leaders are often used in ...

Row of dots used in tables of contents (usually more than two) *

Ellipsis (computer programming) The ellipsis (, plural ellipses; from , , ), rendered , alternatively described as suspension points/dots, points/periods of ellipsis, or ellipsis points, or colloquialism, colloquially, dot-dot-dot,. According to Toner it is difficult to es ...

, a notation (two or three dots) is used to denote programming ranges, an unspecified number of arguments * A parent directory in a relative path * A second derivative in

Newton's notation In differential calculus, there is no single standard notation for differentiation. Instead, several notations for the derivative of a function or a dependent variable have been proposed by various mathematicians, including Leibniz, Newton, Lag ...

Orthography

Other

See also